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Structural & Thermal

Structural & Thermal

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  3. Why can’t we use the contact algorithm Lagrange method with the PCG solver?

Why can’t we use the contact algorithm Lagrange method with the PCG solver?

Tagged: 16.2, contact, General, mechanical-apdl, structural-and-thermal, structural-mechanics
    • June 5, 2023 at 7:04 am
      FAQFAQ
      Participant

      The Lagrange method tends to produce zeros along the diagonal of the stiffness matrix. Our PCG solver would struggle with zeros along the diagonal and hence, the combination is blocked.

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