Purchase Solution

Stress relaxation time

Not what you're looking for?

Ask Custom Question

An applied strain of 0.5 produces an immediate stress of 2 MPa in a piece of rubber, but after 10 days, the stress is only 1 MPa. For the following, assume the material obeys a single-exponential relaxation process.
a) What is the relaxation time?
b) What is the stress after 100 days?

Purchase this Solution
Solution Summary

For single exponential process, relaxation time and stress at a given time are estimated.

Solution Preview

Initial stress, 0 = 2 MPa
At t = 10 days, stress, (10) = 1 MPa ...

Solution provided by:
Amrit Lal Ahuja, PhD (IP)
Education
  • BEng, Allahabad University, India
  • MSc , Pune University, India
  • PhD (IP), Pune University, India
Recent Feedback
  • " In question 2, you incorrectly add in the $3.00 dividend that was just paid to determine the value of the stock price using the dividend discount model. In question 4 response, it should have also been recognized that dividend discount models are not useful if any of the parameters used in the model are inaccurate. "
  • "feedback: fail to recognize the operating cash flow will not begin until the end of year 3."
  • "Answer was correct"
  • "Great thanks"
  • "Perfect solution..thank you"
Purchase this Solution
Free BrainMass Quizzes
Architectural History

This quiz is intended to test the basics of History of Architecture- foundation for all architectural courses.

Air Pollution Control - Environmental Science

Working principle of ESP

View More Free Quizzes
Related BrainMass Solutions

  • Left and right brain functions for coping with stress

    653391 Left and right brain functions for coping with stress How can the functions of the left and right brain in terms of stress management assist positive coping techniques and relaxation skills?

  • Effective And Ineffective Stress Management Techniques

    Creating healthy relaxation habits may take time and practice; however, with very limited time to practice these types of relaxation techniques can cause hardships for those that are suffer from stress related illnesses (4).

  • Relaxation Techniques

    A short response that discusses relaxation techniques as they aid in stress reduction.

  • Physical Health and Stress

    653687 Physical Health and Stress Stress emotions can affect physical health. Explain this connection regarding muscular relaxation, physiological benefits, autogenic training and clinical biofeedback.

  • The Top 5 Strategies for Reducing or Managing Stress

    The goal of progressive relaxation training is to help you learn to reduce muscle tension in your body far below your adaptation level at any time you wish to do so (Singh, 2009).

  • Stress Management Techniques: Progressive Muscle Relaxation

    541825 The Stress Management technique of Progressive Muscle Relaxation I need help with explaining the ways that the stress management technique of progressive muscle relaxation can be effective in reducing/managing stress.

  • Human Resource and Stress Management

    Relaxation techniques. It is well documented with ample amounts of empirical, clinical and anecdotal evidence to support that relaxation is effective in reducing stress.

  • Business management questions and answers

    Physical exercise Relaxation Meditation Physical exercise, relaxation, and meditation Only mediation and relaxation, now physical exercise One of the most disturbing effects of stress in modern society is that it increases the risk of__________

  • Decreasing Stress on the Mind and Body

    Eating a healthy diet can reduce levels of stress hormones such as cortisol and adrenaline that can over time compromise the body's immune system.

View More Related Solutions