AnsweredAssumed Answered

WHY IS IT GOING LIKE THAT, TEMPERATURE LOAD FATIGUE SIMULATION PROBLEM!

Question asked by Majd Al Mohtar on Jan 28, 2018
Latest reply on Feb 13, 2018 by Majd Al Mohtar

When I apply a 63 degree temperature load on a certain plastic, and I linked the study to a fatigue study which gave me a life of 7.742 *10^8 cycles. First of all, how to know the lifetime in days for this cycle? Second, I tried to find the temperature variation through the day of the plastic by flow simulation and was successful. I tried this time linking a fatigue analysis to a non linear study with a temperature load varying with time through out the day according to the graph I obtained from the flow simulation. When running the non-linear study, the plastic failed directly and the fatigue gave high damage and a life of 1.955*10^3 cycles, which totally does not match the constant load.

 

The study is attached in this question, the Static study is the one with a constant 63 degree load, and linked to Fatigue 1, and fatigue 2 is linked to the non-linear study.

 

It is urgent to find help regarding this matter, and I hope someone can help me fast.

Outcomes