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Add Feature in Cuda to NVidia Particle Example

I want to add a feature to the NVidia Particle example included in the SDK.

/Developer/NVIDIA/CUDA-8.0/samples/5_Simulations/particles

The feature is to track the contacts between particles between subsequent time steps. In the sample contacts are not tracked. I would like to keep track of the contacts and incrementally contact the normal force. In the collideSpheres function in [login to view URL] the following line:

// tangential shear force

force += [login to view URL]*tanVel;

would be replaced by something like:

delta.x += varis->delta_t*vrs.x;

delta.y += varis->delta_t*vrs.y;

delta.z += varis->delta_t*vrs.z;

shear.x = delta.x * varis->kc;

shear.y = delta.y * varis->kc;

shear.z = delta.z * varis->kc;

double friction_force = [login to view URL]();

double max_friction_force = friction*varis->kc*penet;

if (friction_force > max_friction_force) {

delta.x *= max_friction_force/friction_force;

delta.y *= max_friction_force/friction_force;

delta.z *= max_friction_force/friction_force;

shear.x = delta.x * varis->kc;

shear.y = delta.y * varis->kc;

shear.z = delta.z * varis->kc;

}

where the delta.x , y, z is tracked for each contact between iterations.

Looking for someone with good CUDA skills that can implement this properly.

Habilidades: CUDA, OPenCL

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( 136 comentários ) Bonita Springs, United States

ID do Projeto: #15226899