Subject: Machine Design -I

Topic: Basic properties of Machine design and theories of failure

Difficulty: Medium

Fluctuating Stresses:

• The components are subjected to forces, which are not static, but vary in magnitude with respect to time. The stresses induced due to such forces are called Fluctuating Stresses.
• The most popular model for stress–time relationship is the sine curve.
• There are three types of mathematical models for …