From ba17e3dc38db4c487d32aa8f635a152750fdb9fa Mon Sep 17 00:00:00 2001
From: manuelpett <manuel.petit@inria.fr>
Date: Tue, 12 Mar 2024 10:32:16 +0100
Subject: [PATCH] Fix error related to nabla_grad : need to be replace by grad.
---
src/bvpy/vforms/plasticity.py | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/src/bvpy/vforms/plasticity.py b/src/bvpy/vforms/plasticity.py
index 0a626f7..a2c2ca9 100644
--- a/src/bvpy/vforms/plasticity.py
+++ b/src/bvpy/vforms/plasticity.py
@@ -47,8 +47,9 @@ class PlasticForm(ElasticForm):
def construct_form(self, u, v, sol):
d = sol.geometric_dimension()
Id = fe.Identity(d)
- F_tot = Id + fe.nabla_grad(sol)
- F_e = F_tot*fe.inv(self._parameters['F_plastic'])
+ F_tot = Id + fe.grad(sol)
+ Fg = self._parameters['F_plastic']
+ F_e = F_tot*fe.inv(Fg)
C_e = F_e.T * F_e
E_e = 0.5 * (C_e - Id)
--
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