Nonlinear and Transient Dynamic FEA Consulting Services
Most of our clients could care less whether the analysis results were obtained using an implicit or explicit numerical technique, just so long as it was quick and accurate. On our side, deep within the numerical salt mines, we do care whether it is implicit or explicit since picking the wrong numerical path can mean the difference between success or one pissed off client.
In nonlinear transient analysis, the gold standard for solving the impossible is to use the explicit method but this often limits the solution time to milliseconds and rather large elements (see our LS-DYNA Class Notes). To solve nonlinear problems where the solution is in seconds or static, the implicit technique offers many advantages albeit with other challenges. Over the last several years, our simulation engineers have tackled a number of nonlinear static and transient problems using the implicit method. The choice of implicit over explicit has allowed us to solve nonlinear FEA problems that heretofore were just not practical in the sense of time and budget.