Marc nonlinear thermo-mechanical and interface-contact simulation

MSC Software, now part of Cadence · Thermo-mechanical simulation and lifetime prediction

Purpose: Compare stack and process factors when package warpage involves nonlinear materials or interface contact.
Technical approach: Nonlinear FEA handles plasticity, hyperelasticity, creep and contact with thermal loading; Mentat supports model preparation and post-processing.
Scope of use: A tool for multi-material package studies; the engineering team supplies geometry, constitutive models, contact and temperature histories.
Limitations and open questions: These evaluation considerations are compiled by BLNKK from public information. They are not supplier guarantees or a mandatory submission checklist.
Scope and limitations
General solver capability is not a ready-made package model. Uncertain materials, contacts or constraints limit causal conclusions.
What to prepare
BLNKK suggests preparing stack geometry, heating/cooling histories, temperature-dependent material data, interface and fixture conditions, and measured warpage.
Confirm with the supplier
Confirm material formulations, thermal/structural workflow, calibration and convergence checks, current version and required licenses.
Public evidence: The current page lists nonlinear multiphysics capabilities; the 2024.2 guide and historical training materials document thermal/structural analysis, not validated package results.

Supporting references

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