Files
Mujoco_WASM/model/flex/hollow_vs_solid.xml
T
Alessio Quaglino 8a20ce24d3 Refactor shell stiffness computation to use pure membrane modes plus an explicit warp mode.
PiperOrigin-RevId: 916879634
Change-Id: Ib706909521b4f503b13904a34b0e29aefd4fa433
2026-05-17 13:00:08 -07:00

103 lines
3.7 KiB
XML

<!-- Copyright 2026 DeepMind Technologies Limited
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<mujoco>
<include file="scene.xml"/>
<option cone="elliptic" solver="CG" />
<default>
<default class="gripper">
<geom type="box" size="0.02 0.15 0.02" rgba="0.5 0.5 0.5 1"
solref="0.001 1" friction="2 0.1 0.1"/>
<joint type="slide" axis="0 0 1" range="-1 1"/>
<default class="finger">
<geom size="0.01 0.06 0.03"/>
<joint type="slide" range="0 0.1"/>
</default>
</default>
</default>
<worldbody>
<body name="solid" pos=".32 0 .2">
<flexcomp
origin="0 0 0" count="8 2 12" cellcount="6 1 6"
type="grid" name="soft_mesh" dim="3" spacing=".025 .05 .025"
mass="0.43" radius="0.005" dof="trilinear" rgba="0.7 0.9 0.7 1">
<edge equality="strain" solref="0.001 1"/>
<contact selfcollide="none"
internal="false"
friction="2.0 0.5 0.01"
solref="0.001 1"
solimp="0.99 0.999 0.001"/>
</flexcomp>
</body>
<body name="hollow" pos=".32 .45 .2">
<flexcomp
origin="0 0 0" count="8 2 12" cellcount="6 1 6"
type="grid" name="soft_mesh_2" dim="3" spacing=".025 .05 .025"
mass="0.43" radius="0.005" dof="trilinear" rgba="0.9 0.7 0.7 1">
<elasticity young="1e4" poisson="0.3" damping="0" elastic2d="bend" thickness="0.03"/>
<edge equality="strain" solref="0.001 1" solimp="0.99 0.999 0.001"/>
<contact selfcollide="none"
internal="false"
friction="2.0 0.5 0.01"
solref="0.001 1"
solimp="0.99 0.999 0.001"/>
</flexcomp>
</body>
<body name="gripper_solid" pos="0.2 0.45 0.2">
<joint name="lift_solid" class="gripper"/>
<geom class="gripper"/>
<body name="left_finger_r" pos="0.05 -0.1 0" childclass="finger">
<joint name="left_slide_r" axis="0 1 0"/>
<geom rgba="0.8 0.2 0.2 1"/>
</body>
<body name="right_finger_r" pos="0.05 0.1 0" childclass="finger">
<joint name="right_slide_r" axis="0 -1 0"/>
<geom rgba="0.8 0.2 0.2 1"/>
</body>
</body>
<body name="gripper_hollow" pos="0.2 0 0.2">
<joint name="lift_hollow" class="gripper"/>
<geom class="gripper"/>
<body name="left_finger_s" pos="0.05 -0.1 0" childclass="finger">
<joint name="left_slide_s" axis="0 1 0"/>
<geom rgba="0.2 0.8 0.2 1"/>
</body>
<body name="right_finger_s" pos="0.05 0.1 0" childclass="finger">
<joint name="right_slide_s" axis="0 -1 0"/>
<geom rgba="0.2 0.8 0.2 1"/>
</body>
</body>
</worldbody>
<equality>
<joint joint1="right_slide_r" joint2="left_slide_r"/>
<joint joint1="right_slide_s" joint2="left_slide_s"/>
</equality>
<actuator>
<position name="lift_r" joint="lift_solid" kp="400" dampratio="1" ctrlrange="-1 1"/>
<position name="grasp_r" joint="left_slide_r" kp="10" dampratio="1" ctrlrange="0 5"/>
<position name="lift_s" joint="lift_hollow" kp="400" dampratio="1" ctrlrange="-1 1"/>
<position name="grasp_s" joint="left_slide_s" kp="10" dampratio="1" ctrlrange="0 5"/>
</actuator>
</mujoco>