QUESTION
Nursing
Module One (Week One): Part One Windshield Survey and Key Informant Interviews
Please complete the following information on this template about the community you have selected. If you do not use this template there will be a 10- point grade penalty per assignment, and you will be required to resubmit within 48 hrs. You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
Reference Module 2 (Week 2) Part Two: Statistical Analysis of Community Health Problem
Please complete the following information on this template. If you do not use this template there will be a 10-point grade penalty per assignment, and you will be required to resubmit within 48 hrs. You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
Name of Community or Zip Code:
Instructions: Enter your response in each category marked below. Provide objective, statistical support for your subjective findings.
● Include all the data listed in the Objective Data Criteria listed below.
● Add supplemental data as needed for your community.
● All statistical data must be reported in NARRATIVE form only. Tables and graphs will not be accepted.
● Compare objective data for your community with local (city), state, and national data.
You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
General Objective Data Criteria for the Community-at-Large
1. Demographics: Total population; age distribution; gender distribution; family characteristics (single parent, multi-family, etc.). Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
- Racial/Ethnic Characteristics: Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
- Economy: poverty rate, unemployment rates, median income. Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
4. Education: High school completion rates; higher education statistics. Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
5. Identify two Morbidity and Mortality/Risk Problems: (Based on your observations from Week 1 subjective assignment, windshield survey and key informants provide Morbidity, Mortality (M&M) and risk data for your community… Example 1: if you observed obesity in your community then present obesity rates and health conditions associated with obesity [i.e. CVD, HD, Depression, etc.). Example 2: smoking/drinking rates and health conditions associated with smoking [i.e. Lung Cancer, COPD, etc]. These variables may include the following: gender (who does this problem affect the most, men or women); age distribution; ethnicity or racial group(s) mostly-affected; morbidity and mortality rates; any data related to life-expectancy in light of the health issues; is there a geographic area where the health problems mainly exist; is there a relationship between the health issue(s) and environmental health hazards; are these life-threatening health issues? Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
6. Other data as needed (air, water quality, crimes rates). Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
Analysis of Data
1. Based on your subjective and objective review of your findings, what conclusions have you arrived at? Remember to cite sources as appropriate.
· What impressions from your subjective observations were unfounded/invalid?
· Given the objective data, what impressions were validated/substantiated?
· What cause-and-effect relationships did you discover/identify?
2. Problem Analysis for Community/Zip Code:
Problem: List two (2) problems within your community (for example, Infant Malnutrition, CVD, Lung Cancer, Obesity, Alcoholism, Violence) NOTE: These problems need to be something the Community Health Nurse can impact(for example, a CHN cannot build a sidewalk, repair a street, implement a new bus route, etc.). Remember to cite sources as appropriate.
1. ____________________________________________
2. ____________________________________________
Select one of these problems and complete the Problem Analysis chart
*These are factors that contribute to problem and outcomes.
+ Refer to appropriate sections of the database and relevant research of the findings in current literature. Data in the third column could be local, state, or national statistics.
Refer to text (pg. 420-423) for additional examples.
3. Community Health Nursing Diagnoses:
Based on your subjective and objective assessment findings above for both Weeks 1 and 2, write TWO priority community health nursing diagnoses.
You must use this format as outlined in your text page 413 (do NOT use NANDA):
Health Risk/problem of (specific injury, illness, or potential of, complication of, etc) among (specific population) related to (supporting evidence from your assessment findings).
Ø Your CHN Diagnoses MUST be something that a community/public health nurse can do something about. See example below.
Ø Note: Poverty is NOT a CHN diagnosis.
Ø Remember do NOT use NANDA Nursing Diagnoses.
For example: Risk of asthma complications among children in SE Dallas County related to observations of overcrowded living conditions, lack of public transportation (may result in inability to access health care), high number of animals observed living in homes, poverty indications (may result in lack of access to medications).
Community Health Nursing Diagnosis #1
Community Health Nursing Diagnosis #2
Reference
What are some of the emotional and physical problems associated with childhood and adolescent obesity?
Biology Homework HelpDiscussion #2 – Childhood Obesity
Your response should be a minimum of 250 words
Childhood obesity has more than doubled in children and quadrupled in adolescents in the past 30 years. Many say the rise is due to poor dietary factors, while others will say it’s due to the sedentary lifestyle that a large majority of children lead each day. The long-term effects of obesity can be debilitating.
1. What are some of the emotional and physical problems associated with childhood and adolescent obesity?
2. Who do you think is primarily to blame for the childhood obesity crisis in America? Why?
3. If you were placed on a government committee and asked to come up with ONE solution that could potentially reduce the prevalence of childhood obesity in future generations, what would your solution be? Explain why you feel your solution would work by giving 1-2 supporting pieces of evidence.
Your response should be a minimum of 250 words. Many say the rise is due to poor dietary factors, while others will say it’s due to the sedentary lifestyle that a large majority of children lead each day. The long-term effects of obesity can be debilitating
Professional practice portfolio use essay
Nursing HomeworksProfessional practice portfolio use essay
This task comprises three components.
1. Professional practice portfolio use
Professional practice portfolios are asserted to be beneficial to demonstrate the capability for professional nursing practice.
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The fourth point states the Registered Nurse (RN) “accepts accountability for decisions, actions, behaviours and responsibilities inherent in their role” (NMBA, 2016). Professional practice portfolio use essay
• Chose a situation from your clinical placement where you were delegated an action or responsibility by your RN clinical practice partner or clinical facilitator and describe this situation. Your description should include five key elements; context of nursing practice and health care delivery (where this occurred), who was involved, what you were delegated, how you enacted the delegated action/responsibility and the outcome of the situation. • Critically discuss how you demonstrated professional nursing practice, within your student nurse scope of practice, and reflect upon accountability for your decisions, actions, behaviours and responsibilities. • Support your discussion with at least three scholarly sources from 2011 onwards. Point of clarification: • The Registered Nurse standards document describes how the seven standards are interconnected (see Figure 1, NBMA, 2016). Your clinical situation may incorporate a description of you enacting one or more of the standards e.g. assessment (Standard 4), developing a plan (Standard 5), providing nursing care (Standard 6), or evaluating care outcomes (Standard 7). 3. Peak professional nursing organisation A peak organisation (also known as a ‘peak body’) is a term for an advocacy group or trade. Professional practice portfolio use essay. association (it may be in nursing, or medicine, or any ‘trade’), an association of industries or groups with allied interests. They are established for the purposes of developing standards and processes, or to act on behalf of all members. There are many peak bodies in nursing, ranging from general organisations, such as the Australian College of Nursing (ACN) to specialised organisations such as the Australian College of Critical Care Nurses (ACCCN) or the Australian Primary Health Care Nurses Association (APNA).
• Consider where your professional interests lie and identify and report on a peak professional nursing organisation relevant to your career path. • This report must include the membership requirements, whether this organisation supports advanced or specialty practice, how this organisation supports and leads professional nursing practice, what professional opportunities are provided through the professional organisation and a justification why it is relevant to your intended career path. Professional practice portfolio use essay.
USQ course site.
POSSIBLE
MARKS
University of Southern Queensland
1. Professional Practice Portfolio (Approx 1,000 words)
1.1 Description (Approx 300 words) 5
• Describes a professional practice portfolio and the recommended components. 1.2 Argument (Approx 350 words) • Presents a written argument for the use of a professional practice portfolio. • The argument demonstrates critical thinking and analysis of the issues; it. Professional practice portfolio use essay.
5 explains why portfolios should be used and includes a discussion of the benefits and challenges of using a professional practice portfolio to demonstrate capability for professional nursing practice.
1.3 Management and leadership (Approx 350 words) • Discusses management and leadership competencies relevant to nursing 5 and describe how development of these competencies could be evidenced in a professional practice portfolio. 1.4 Evidence • Demonstrates evidence of ability to apply research concepts and principles such as use of databases, critique of quality, relevant and up-to-date 5 literature. Argument supported by at least eight relevant, high quality, evidence-based, scholarly sources from 2011 onwards. Professional practice portfolio use essay.
2. Professional Standards (Approx 750 words)
2.1 Description of situation (Approx 250 words) • Clearly describes a situation from student nurse clinical placement. • Description includes five key elements: context of practice (where this 5 occurred), who was involved, what you were delegated to do, how you enacted the delegated action/responsibility and the outcome of the situation.
2.2 Critical discussion (Approx 500 words) • Critically discusses how you demonstrated professional nursing practice, within your student nurse scope of practice. 5 • Demonstrates insight regarding accountability for decisions, actions, behaviours and responsibilities. Professional practice portfolio use essay.
3. Professional Membership (Approx 250 words) 3.1 Report on peak professional nursing organisation • Reports on a peak professional nursing organisation relevant to a career path in nursing. • This report includes the membership requirements, whether this organisation 5 supports advanced or specialty practice, how this organisation supports and leads professional nursing practice, what professional opportunities are provided through the professional organisation and a justification for why it is relevant to the intended career path.
4. Referencing: · Referencing (in-text citations and reference list entries) as per APA
USQ Referencing style 5
Provides at least 10 unique references, in alphabetical order, in one list which starts on a separate page. 5. Academic writing and presentation: • Is well presented, with correct spelling, grammar, well-constructed sentences and appropriate paragraph structures. Professional practice portfolio use essay.
• Uses academic language throughout. 5 • Meets the 2,000-word length requirements (excluding reference list). Total marks 50. Professional practice portfolio use essay.
Nursing journals using an evaluation table
Uncategorizedin nursing practice, accurate identification and application of research is essential to achieving successful outcomes. Being able to articulate the information and successfully summarize relevant peer-reviewed articles in a scholarly fashion helps to support the student’s ability and confidence to further develop and synthesize the progressively more complex assignments that constitute the components of the course change proposal capstone project.
For this assignment, the student will provide a synopsis of eight peer-reviewed articles from nursing journals using an evaluation table that determines the level and strength of evidence for each of the eight articles. The articles should be current within the last 5 years and closely relate to the PICOT statement developed earlier in this course. The articles may include quantitative research, descriptive analyses, longitudinal studies, or meta-analysis articles. A systematic review may be used to provide background information for the purpose or problem identified in the proposed capstone project. Use the “Literature Evaluation Table” resource to complete this assignment.
While APA style is not required for the body of this assignment, solid academic writing is expected, and in-text citations and references should be presented using APA documentation guidelines, which can be found in the APA Style Guide, located in the Student Success Center.
This assignment uses a rubric. Please review the rubric prior to beginning the assignment to become familiar with the expectations for successful completion.
You are not required to submit this assignment to LopesWrite.
Development of a mini business plan for a new service or product within your healthcare facility
Nursing HomeworksDevelopment of a mini business plan for a new service or product within your healthcare facility
Develop a mini business plan for a new service or product within your healthcare facility or a healthcare facility you are familiar with (e.g., a hospital, a health clinic, a nursing home, or an outpatient center).
Create a 5-page business plan that:
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• Describes the need for the service,
• factors impacting the need for the service,
• fiscal planning issues, and human capital issues and needs.
• Provides an overview of the product or the service.
• Analyze the market, explaining why this product or service is necessary and how much you will get paid for selling the product or providing this service. Development of a mini business plan for a new service or product within your healthcare facility
• Provides an operational budget.
• Provides a capital budget (major purchases required).
• Provides a human resource cost budget—if you are borrowing staff from other departments, you must account for its costs in the human resource budget.
• Summarizes why this product or service should be given the green light. Development of a mini business plan for a new service or product within your healthcare facility
Diet and Fitness Plan
Nursing HomeworksProject: Diet and Fitness Plan
Please read the instructions for the project carefully, and plan your food and activities. Follow your plan and then discuss it in the written report, due by 5/05. This project includes a two-day food record and analysis of your diet along with an assessment of your fitness. You will critically evaluate your diet and develop a personal plan for lifestyle changes to benefit your health and well-being. Please write in full sentences, research and reference properly, and format your work following APA. The report should include a title page stating your name, course number, term, instructor name, and title. The body of your report should be a minimum of 1500 words and include at least four references. Attach or copy and paste the results of your nutritional analysis at the end of the report. Food record and analysis: Pick an average day and record your food. Next, log on to the CNPP website: SuperTracker. You need to create a log in. The program requests some personal data for the analysis. Next, proceed to record your food intake. The site lets you create a list of often consumed foods, which will make it easier for the next time you use it. Once you finish your food intake, select “My Reports.” Copy and save your results to be submitted with your report. Submit Food Groups and Calories, Nutrients, Food Details and Physical Activity reports. Review your food intake and discuss shortfalls. Next, choose a second day and plan a day for food intake which will meet all recommendations, then live this day; be sure to write down everything which you consume, including drinks and snacks. Try to include items you love to eat. Enter your food in the SuperTracker and analyze. Did you meet all requirements? How did your food intake on this day differ from your other recorded day? Plan regular physical activity for a week, attempting to meet recommendations for all types of fitness. Next, follow your plan and note your physical activity in a log. Try to include activities you love, and also note sleeping patterns, personal feelings, thoughts, and additional stresses which might occur. Next, return to the beginning and analyze your physical activity on the CNPP website. Your report should discuss the following questions:
· Compare and contrast your food record and analysis from the two days recorded.
· Did you like your food intake for the days record? How could you improve your diet, and how can you introduce variety?
· What do you consider the most important issue about your diet covered in the course, and how will you apply this to your life? Have you implemented changes and noticed any differences so far? What will be the major challenges to a better diet?
· How is the physical activity log? Was it difficult to adhere to an exercise regimen? Did you feel any difference during this week compared to a week before this course began? What will be the major challenges to maintaining a healthy physical activity regimen?
· What aspect of this course provided the best and most useful information for you? How do you see this course work affecting your life 6 months from now? A year from now?
Please submit your report with the results of your analysis attached by the end of Lesson 7 to the SafeAssign link.
Statistical Analysis of Community Health Problem
UncategorizedQUESTION
Nursing
Module One (Week One): Part One Windshield Survey and Key Informant Interviews
Please complete the following information on this template about the community you have selected. If you do not use this template there will be a 10- point grade penalty per assignment, and you will be required to resubmit within 48 hrs. You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
Reference Module 2 (Week 2) Part Two: Statistical Analysis of Community Health Problem
Please complete the following information on this template. If you do not use this template there will be a 10-point grade penalty per assignment, and you will be required to resubmit within 48 hrs. You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
Name of Community or Zip Code:
Instructions: Enter your response in each category marked below. Provide objective, statistical support for your subjective findings.
● Include all the data listed in the Objective Data Criteria listed below.
● Add supplemental data as needed for your community.
● All statistical data must be reported in NARRATIVE form only. Tables and graphs will not be accepted.
● Compare objective data for your community with local (city), state, and national data.
You may increase the size of the block by continuing to type. Use as much space as necessary to provide your answers
General Objective Data Criteria for the Community-at-Large
1. Demographics: Total population; age distribution; gender distribution; family characteristics (single parent, multi-family, etc.). Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
4. Education: High school completion rates; higher education statistics. Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
5. Identify two Morbidity and Mortality/Risk Problems: (Based on your observations from Week 1 subjective assignment, windshield survey and key informants provide Morbidity, Mortality (M&M) and risk data for your community… Example 1: if you observed obesity in your community then present obesity rates and health conditions associated with obesity [i.e. CVD, HD, Depression, etc.). Example 2: smoking/drinking rates and health conditions associated with smoking [i.e. Lung Cancer, COPD, etc]. These variables may include the following: gender (who does this problem affect the most, men or women); age distribution; ethnicity or racial group(s) mostly-affected; morbidity and mortality rates; any data related to life-expectancy in light of the health issues; is there a geographic area where the health problems mainly exist; is there a relationship between the health issue(s) and environmental health hazards; are these life-threatening health issues? Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
6. Other data as needed (air, water quality, crimes rates). Remember compare objective data for your community with local (city), state, and national data. Remember to cite sources as appropriate.
Analysis of Data
1. Based on your subjective and objective review of your findings, what conclusions have you arrived at? Remember to cite sources as appropriate.
· What impressions from your subjective observations were unfounded/invalid?
· Given the objective data, what impressions were validated/substantiated?
· What cause-and-effect relationships did you discover/identify?
2. Problem Analysis for Community/Zip Code:
Problem: List two (2) problems within your community (for example, Infant Malnutrition, CVD, Lung Cancer, Obesity, Alcoholism, Violence) NOTE: These problems need to be something the Community Health Nurse can impact(for example, a CHN cannot build a sidewalk, repair a street, implement a new bus route, etc.). Remember to cite sources as appropriate.
1. ____________________________________________
2. ____________________________________________
Select one of these problems and complete the Problem Analysis chart
*These are factors that contribute to problem and outcomes.
+ Refer to appropriate sections of the database and relevant research of the findings in current literature. Data in the third column could be local, state, or national statistics.
Refer to text (pg. 420-423) for additional examples.
3. Community Health Nursing Diagnoses:
Based on your subjective and objective assessment findings above for both Weeks 1 and 2, write TWO priority community health nursing diagnoses.
You must use this format as outlined in your text page 413 (do NOT use NANDA):
Health Risk/problem of (specific injury, illness, or potential of, complication of, etc) among (specific population) related to (supporting evidence from your assessment findings).
Ø Your CHN Diagnoses MUST be something that a community/public health nurse can do something about. See example below.
Ø Note: Poverty is NOT a CHN diagnosis.
Ø Remember do NOT use NANDA Nursing Diagnoses.
For example: Risk of asthma complications among children in SE Dallas County related to observations of overcrowded living conditions, lack of public transportation (may result in inability to access health care), high number of animals observed living in homes, poverty indications (may result in lack of access to medications).
Community Health Nursing Diagnosis #1
Community Health Nursing Diagnosis #2
Reference
Evaluation
UncategorizedAn educational program’s worth is determined by a process that is defined as an evaluation (Keating & DeBoor, 2018). “Evaluation is a broad term that describes the process of determining the value, worth, or quality” (Billings & Halstead, 2016, p. 385). There are several evaluation models that are utilized by nursing programs and nursing educators.
During this week’s assigned readings, I found two models that could be used for the evaluation of an educational intervention in a healthcare setting. One is the RSA Model which was developed by Roberta Straessle Abruzzese, a nursing educator. This model is a triangle that progresses in a hierarchy fashion moving from process evaluation (the lowest level) to content evaluation, outcome evaluation, and the highest level – impact evaluation (DeSilets, 2010). Another attractive model is the CURRICULUM Model which includes context, content, and conduct. Under context the letters C – consider context and U – understand learners; content includes the letters R – wRite goals, R – wRite objectives, I – identify content, C – choose methods and materials, and U – unite resources; and conduct includes the letters L – lead implementation, U – undertake evaluation, and M – monitor outcomes (Kalb, 2009).
Although the above-referenced evaluation models are appropriate for an educational program within a healthcare setting, our team has chosen the Kirkpatrick Evaluation Model combined with a Shared Governance Model approach. The Kirkpatrick Evaluation Model “evaluates four levels of change: reaction, learning, behavior, and results” (Billings & Halstead, 2016, p. 389). Each of these levels must be evaluated before expanding upon the next. This model will be useful for the nurse and the educator as it will show if the training yields the desired outcomes; the degree of change on the nursing units; and the amount of content learned (Kirkpatrick Partners, 2019). Moses Cone Hospital already has a Shared Governance model in place which will aid in achieving quality patient care by aligning nursing professional practice with organizational values and beliefs (Nursing World, 2004). This model can help nurses by encouraging one another to provide evidenced-based care and live the mission, vision, and values of the Cone Health organization.
According to Billings & Halstead (2016, p. 395), “to design and implement an evaluation plan and then ignore the results would defeat the purpose of evaluation.” Evaluation of an educational program not only reveals the success of the said program; it can also assist the nurse educator in any changes that need to be made for future reference. “Implementing an educational model that is based on outcomes reflects the influence of education on practice” (Dickerson, Shinners, & Chappell, 2017).
References
Billings, D. M., & Halstead, J. A. (2016). Teaching in Nursing: A Guide for Faculty (5th ed.)
DeSilets, L. D. (2010, January). Another Look at Evaluation Models. The Journal of Continuing Education in Nursing, 41(1), 12-13. Retrieved from the Walden Library databases.
Dickerson, P. S., Shinners, J., & Chappell, K. (2017). Awarding credit for outcomes-based professional development. The Journal of Continuing Education in Nursing, 48(3), 97-98. Retrieved from the Walden Library databases.
Kalb, K. A. (2009, May/June). The three Cs model: The context, content, and conduct of nursing education. Nursing Education Perspectives, 30(3), 176-180. Retrieved from the Walden Library databases.
Keating, S. B., & DeBoor, S. S. (2018). Curriculum development and evaluation in nursing education (4th ed. New York, NY: Springer.
Nursing World. (2004). Shared governance models: The theory, practice, and evidence. Retrieved from http://ojin.nursingworld.org/MainMenuCategories/ANAMarketplace/
ANAPeriodicals/OJIN/TableofContents/Volume92004/No1Jan04/SharedGovernance
Models.aspx
NURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change
Nursing HomeworksNURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change
Overview
For this Assignment, you explore one challenge that you would like to see addressed in your organization or one with which you are familiar. You will continue to work on this Assignment over the next several weeks. You will prepare an outline for this assignment due day 7 of week 5. This outline will help organize your work toward this assignment.
This NURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change Assignment also serves as your Portfolio Assignment.
To prepare:
• Identify a problem that you would like to investigate for this Assignment. Consider the resources and discussion about strategic planning and models that guide change such as SWOT, Balanced Scorecard, or Six Sigma and lean principles. Review evidence-based literature for data related to your selected problem. You will need to use at least five current (not more than five years old), peer-reviewed articles. If you cannot find adequate evidence, you may need to refine your topic. Your Instructor may provide some guidance for your literature search.
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By Day 7 of Week 2, enter your selected problem in the Strategic Planning for Change Forum of the Discussion Board.
Your Instructor will approve your selected problem or provide feedback to help you refine your focus for this NURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change Assignment.
While this portion of the Assignment is not graded, it is required.
Once you have received feedback/approval of your selected problem:
• Reflect on the topics you are examining in this course and consider how they relate to your selected problem. Plan to analyze the problem using principles, theories, and concepts related to leadership and management, as well as other pertinent course themes.
• Review evidence-based literature for data related to your selected problem. You will need to use at least five current (not more than five years old), peer-reviewed articles. Your Instructor may provide some guidance for your literature search.
• Synthesize findings from the research literature and/or drawn from other sources of evidence.
• Develop evidence-based recommendations for addressing the problem.
Write a 6-page NURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change paper (not including title page, references, or any appendix) that addresses the following:
• Introduction/Statement of the problem (1/2 page)
• Review of the literature for potential solutions to the identified problem
• Synthesis of the evidence as applied to the stated problem.
• Strategic plan for suggested courses of action based on your evidence and including application of a change theory.
• Conclusion/Summary
Reminder: The School of Nursing requires that all papers submitted include a title page, introduction, summary, and references. The NURS 6201: Leadership in Nursing and Healthcare Strategic Planning for Change Sample Paper provided at the Walden Writing Center provides an example of those required elements. All papers submitted must use this formatting.
Live Lecture on: Conducting Market Research
Uncategorized(1.)Explain the marketing research process, (2)how to gather and analyze market data, and (3)how to develop a research plan. Please put each in bullet form.
Mechanical Engineering homework help
UncategorizedME 3220 Fall 2020
PROJECT
Due: Thursday, December 3, 2020
You must solve both problems described below to receive full points.
Important Note: The project counts for 20% of the final grade.
First Problem (50 Points)
A one degree-of-freedom model of a motor vehicle travelling in the horizontal direction
is shown in Figure 2.17 (Inman, 4th edition) and class notes.
(i) Find analytically the relative vertical displacement of the vehicle as it travels over a
wavy road of the form
y(s) Y sin( πs / δ)
, where
Y
is the amplitude of the wave form,
s
is the travelled distance, and
10Y .
(ii) Write a MATLAB program for finding the relative vertical displacement of the
vehicle as it travels over a road bump of the form
y(s) Y sin( πs / δ)
and compare the
numerical solution to the analytical solution. (25 points)
(iii) Use the computer program to find numerically and plot the relative vertical
displacement when the vehicle travels over the double step shown below. (25 points)
Parameter values: k = 400 kN/m, m = 1200 kg, ζ = 0.5, Y = 0.3 m, δ = 6 m.
Attention: If you answer only question (i), the problem will NOT be graded and it will
count for NOTHING.
Important Note: You need to send me a report and a working MATLAB code that
runs from one starting “run” point
ME 3220 Fall 2020
Second problem (50 points)
Write a MATLAB program that can compute the response of an underdamped springmass system for an arbitrary periodic input.
1. Show that your program can derive the analytical solution for a mass-spring system
governed by the equation
mx cx Kx F t
, with
m kg 1 , c kg s 10 ,
K N m 100
, and
F t
is the square-pulse function with amplitude
0 F N 10
and
period
T 2 seconds
. We assume that the initial conditions are
x m 0 0.1
and
x m s 0 3
. (Note: It is the example that we solved in class).
2. Show that your program can derive the solution for any arbitrary periodic force with
two examples.
Important Note: You need to send me a report and a working MATLAB code that
runs from one starting “run” point