![]() ![]() ![]() Since the mission statements and analysis requirements between implicit and explicit analyses are different, one has to shift gears to move from one to the other. ![]() In the linear world, stress values are very sensitive to small changes in strain, and often take on even greater importance, since their values are used to verify the design margin of a structure or its fatigue life. The complexity varies tremendously within this realm and can be every bit as challenging as a highly nonlinear transient model (explicit). Most FEA work in the world is dominated by linear elastic stress and vibration analysis (implicit). The first was on LS-DYNA: Observations on Implicit Analysis, the second was on LS-DYNA: Observations on Composite Modeling, the third was LS-DYNA: Observations on Explicit Meshing, and the fourth was LS-DYNA: Observations on Material Modeling This is the 5th in a series of informal articles about one engineer’s usage of LS-DYNA to solve a variety of non-crash simulation problems. ![]()
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