error: Spatial Contact Force 'robotsim_1/Spatial Contact Force' is not connected through its B port to a valid geometry. Resolve this issue in order to simulate the model.

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Mohinuddin Shaik
Mohinuddin Shaik 2024-4-8
回答： Raj 2024-4-19
I have attached a .slx file. If i simulate it, i am getting an spatial contact error. How to resolve it. And it would be great if somebody add a PID controller to make the robot walk.

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Raj
Raj 2024-4-19
Hi @Mohinuddin Shaik
I went through the simscape model and noticed that the port B of Spatial Contact Force block is not connected to a valid geometry. Spatial Contact Force block models the contact between a pair of geometries in 3-D space. Thus it needs to be connected to valid geometries on both of it ports.
In the model, both port number 1 and port number 2 aren't valid geometries and hence an error is thrown while running the model. Ensure that the port 1 and port 2 are valid ports which are connected to another subsytem.
For better understanding on how to use spatial contact force, you can refer to the following documentation and example links below-
I hope this solves the query you had!!

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