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This study demonstrates that automatic code generation improves tangent evaluations in matrix-free elasticity, indicating enhanced performance.
This study explores matrix-free tangent evaluations in finite-strain elasticity with the use of automatically-generated code for the quadrature-point level calculations. The code generation is done via automatic differentiation (AD) with AceGen. We compare hand-written and AD-generated codes under two computing strategies: on-the-fly evaluation and caching intermediate results. The comparison reveals that the AD-generated code achieves superior performance in matrix-free computations.
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Wichrowski et al. (2025) studied this question.
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