Physics Simulation

Modulus Physics-ML Model Framework NVIDIA Modulus is a framework for developing physics-ML models appropriate for digital twins and other sophisticated applications. Modulus was previously referred to as “SimNet”. Post your questions and comments here pertaining to Modulus, and see what fellow users are doing with the framework.

Topic	Replies	Views	Activity
Cannot run the example in bare metal (22.09) "No module named 'modulus.hydra'" Technical Support (Modulus Only)	1	61	March 28, 2023
Modifying the iteration number of BFGS after using ADAM Technical Support (Modulus Only)	1	36	March 28, 2023
How to save derivatives to vti and npz Technical Support (Modulus Only)	1	63	March 28, 2023
How to update geometry based on displacements from a pinn solution using the LinearElasticity Technical Support (Modulus Only)	0	14	March 28, 2023
Using Multi-scale Fourier Neural networks Technical Support (Modulus Only)	0	25	March 27, 2023
Add grid points manually Technical Support (Modulus Only)	8	627	March 27, 2023
Enabling multiple GPUs Technical Support (Modulus Only) gpu	0	51	March 24, 2023
Fluid simulation Technical Support (Modulus Only)	1	237	March 24, 2023
Turbolence Models Technical Support (Modulus Only)	0	64	March 23, 2023
Fourier and inverse fourier Technical Support (Modulus Only)	1	194	March 22, 2023
How to use dockers to associate a modular container with a jupter notebook Technical Support (Modulus Only)	1	103	March 22, 2023
Plotting 3D data with validator plotter Technical Support (Modulus Only)	1	203	March 22, 2023
Plotting of training and validation losses Technical Support (Modulus Only)	1	169	March 22, 2023
Can't solve high density fluid flow Technical Support (Modulus Only)	3	508	March 22, 2023
Modulus Fourcastnet PyTorch Learning rate scheduler warning Report a Bug (Modulus Only)	2	240	March 17, 2023
Periodic Boundary Conditions Technical Support (Modulus Only)	2	214	March 17, 2023
Cannot git clone Modulus examples from Gitlab Technical Support (Modulus Only)	88	3133	March 9, 2023
Cannot change the activation function for the LDC Technical Support (Modulus Only)	4	231	March 27, 2023
Error while running Modulus chip 2d.py Technical Support (Modulus Only)	3	337	March 12, 2023
Higher order derivatives in importance sampling Technical Support (Modulus Only)	2	498	March 9, 2023
Solving Higher order differential equation Technical Support (Modulus Only)	2	214	March 9, 2023
Transfer learning with mulitple GPUs Technical Support (Modulus Only)	0	193	March 8, 2023
How can I use Temperature dependent thermal conductivity? Technical Support (Modulus Only)	1	255	March 7, 2023
StopCriterion with Modulus Container Technical Support (Modulus Only)	2	263	March 7, 2023
How to use exact continuity in 2D cases? Technical Support (Modulus Only) modulus	1	270	March 7, 2023
Fourcastnet inference duplicate output Report a Bug (Modulus Only)	5	376	March 3, 2023
Multidimensional array constraint issue Technical Support (Modulus Only) modulus	3	396	February 25, 2023
Stop the training when training loss reach a tolerance value Report a Bug (Modulus Only) modulus	2	360	February 25, 2023
CUDA out of memory error after adding a PointwiseMonitor Technical Support (Modulus Only)	1	385	February 25, 2023
Issue with mixed form NavierStokes initialising Technical Support (Modulus Only) modulus	1	412	February 25, 2023