On 12/15/24 08:40, Pratyusa Kar wrote:
Also I checked with a 4 element mesh and 1 quadrature point. However, I see a
noninvertible mass matrix. I do not understand what is missing in the code.
Pratyusa:
OK, so you already determined that the matrix is not invertible. The question
is why. What
Also I checked with a 4 element mesh and 1 quadrature point. However, I see
a noninvertible mass matrix. I do not understand what is missing in the
code.
Thank you.
On Saturday, December 14, 2024 at 6:41:36 PM UTC-6 Pratyusa Kar wrote:
> Hi,
>
> I have a simple 2D linear elasticity problem,
