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Move bending stiffness from plugin to the compiler.

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PiperOrigin-RevId: 758677644
Change-Id: I7d5c5140ba6948002bfa4ae9d6b4bf0f6de0e39b
This commit is contained in:
Alessio Quaglino
2025-05-14 07:38:25 -07:00
committed by Copybara-Service
parent d8bebdc675
commit 71bdd915f7
23 changed files with 134 additions and 154 deletions
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include/mujoco/mjmodel.h
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@@ -913,6 +913,7 @@ struct mjModel_ {
mjtNum* flexedge_invweight0; // edge inv. weight in qpos0 (nflexedge x 1)
mjtNum* flex_radius; // radius around primitive element (nflex x 1)
mjtNum* flex_stiffness; // finite element stiffness matrix (nflexelem x 21)
mjtNum* flex_bending; // bending stiffness (nflexedge x 16)
mjtNum* flex_damping; // Rayleigh's damping coefficient (nflex x 1)
mjtNum* flex_edgestiffness; // edge stiffness (nflex x 1)
mjtNum* flex_edgedamping; // edge damping (nflex x 1)
include/mujoco/mjspec.h
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@@ -444,6 +444,7 @@ typedef struct mjsFlex_ { // flex specification
double poisson; // Poisson's ratio
double damping; // Rayleigh's damping
double thickness; // thickness (2D only)
int elastic2d; // 2D passive forces; 0: none, 1: bending, 2: stretching, 3: both
// mesh properties
mjStringVec* nodebody; // node body names
include/mujoco/mjxmacro.h
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@@ -366,6 +366,7 @@
X ( mjtNum, flexedge_invweight0, nflexedge, 1 ) \
XMJV( mjtNum, flex_radius, nflex, 1 ) \
X ( mjtNum, flex_stiffness, nflexelem, 21 ) \
X ( mjtNum, flex_bending, nflexedge, 16 ) \
X ( mjtNum, flex_damping, nflex, 1 ) \
X ( mjtNum, flex_edgestiffness, nflex, 1 ) \
X ( mjtNum, flex_edgedamping, nflex, 1 ) \