This video shows an example of a fatigue case where the fea analysis performed with abaqus is used to assess life estimation with fesafe. Random vibration fatigue life simulation of bolton metal brackets using abaqus and ncode presented at the 2018 ncode user group meeting 2018 novi, mi. Pdf numerical simulation and fatigue life estimation of bga. Random vibration fatigue in fesafe dassault systemes.
Fatigue and durability analysis ncode ncode software. Vibration analysis of abaqus abaqus tutorial book abaqus for engineer. Finally, the fatigue life of bga solder joints under random vibration. Caefatigue vibration is a random response post processor and a unique vibration fatigue solver.
While the mechanical engineers are always concerned about fatigue when designing machine components, the civil engineers concern fatigue damage mainly in steel bridges and tall steel structures that are subjected to wind and earthquake induced vibrations. The software is available for single input loading cfvbase or complex multiinput loading cfvmulti and can handle virtually any size model with extreme speed and accuracy. This paper demonstrate successful coupling of abaqusfea and fesafe software in predicting the uniaxial fatigue behaviour of a stainless steel. Introduction to fatigue analysis using fesafe youtube. It works with mixed random and deterministic loading to provide fatigue life and damage predictions, as well as several forms of response statistics. Analysis of vibration induced fatigue cracking in steel. Abaqus tutorial random vibration analysis of bogie frame bw engineering 192 abaqus tutorial book abaqus for engineer.
Abaqus was very helpful in completing this life cycle simulation. Random vibration test for brake shield and fatigue life. It is exceptionally fast, easytouse and capable of handling very large models. Pdf fatigue life examinations based on abaqus psdanalysis. Fatigue, vibration, frequency domain, hot spot stress, psd, dirlik, hslm. Vibration fatigue analysis method is applied and dirlik method for the response evaluation is adopted. This is just one of the solutions for you to be successful.
The work is performed in collaboration between chalmers and vectura consult ab. A combination of analyses, analyzing how a part will react from a frequency response of many cycles. Random vibration analysis was performed on the bracket model in abaqus and response was calculated up to hz. The modeling was performed using the software abaqus. Caefatigue vibration cfv is our flagship software program that is used to conduct random response and fatigue evaluations of dynamic mechanical systems in the frequency domain. Abaqus tutorial random vibration analysis of bogie frame bw. Random vibration analysis and fatigue life evaluation of auxiliary heater bracket. Random vibration test for brake shield and fatigue life estimation. Rms stresses were used for the fatigue life cycle calculations and the fatigue life cycle was determined from the basquins relation. Fatigue caused by forced vibration of a random nature is a major industry concern. The objective of the analysis in this paper is to replicate the test situation. Pcb assembly is established using abaqus software, and spectrum.1368 729 239 1253 144 644 1115 477 1387 1497 1091 398 347 619 953 613 115 955 735 1533 119 89 24 1526 1305 1476 558 838 1509 1461 1344 1232 1162 1175 384 1233 1 800 1152 651 1344 1148 545