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
Predicting max temperature Technical Support (Modulus Only)	0	36	May 1, 2024
Running LDC example from modulus sym in Jupyter notebook Technical Support (Modulus Only) jupyterlab	0	48	April 30, 2024
I couldn't run the modulus-sym example code of aneurysm.py Technical Support (Modulus Only) modulus	0	63	April 29, 2024
Windows Support for Modulus Technical Support (Modulus Only)	2	275	April 22, 2024
Problem with using new version 23.08 and Tesselated Geometry Technical Support (Modulus Only)	6	948	April 22, 2024
Applying Time Windows to Static simulation Technical Support (Modulus Only)	3	915	April 19, 2024
Turbulent channel with Openfoam benchmark Technical Support (Modulus Only)	1	861	April 19, 2024
Time dependent PointWiseMonitor not working Technical Support (Modulus Only)	0	238	April 17, 2024
Stuck on step zero Technical Support (Modulus Only)	0	420	April 3, 2024
Is this forum dead? Technical Support (Modulus Only)	1	384	April 3, 2024
Interface Problem by Variational Method - Discontinuous Formulation Technical Support (Modulus Only)	0	418	April 3, 2024
Epochs + Training loss TensorBoard Technical Support (Modulus Only)	0	414	April 3, 2024
E-field simulation of high-frequency (RF) circuits Technical Support (Modulus Only)	0	427	April 3, 2024
Further explanation and more examples on integral parts and normal_dot_vel needed Customer Stories	0	500	March 29, 2024
Custom Nodes for Periodic Boundary Conditions Technical Support (Modulus Only)	1	829	March 21, 2024
Questions abt parameterized_tesselated_example.py Technical Support (Modulus Only)	0	564	March 20, 2024
Encountered NCCL communicator error while using multi GPU training Technical Support (Modulus Only)	0	642	March 19, 2024
PySDF error in Modulus 22.03 Technical Support (Modulus Only) modulus	8	3796	March 19, 2024
Performance difference with using modulus Technical Support (Modulus Only)	0	640	March 14, 2024
Out of memory when running Modulus with enhanced gradient Technical Support (Modulus Only)	1	444	March 13, 2024
Assistance Needed with HDF5GridDataset Technical Support (Modulus Only)	2	690	March 8, 2024
Ahmed Body Inference Denormalization Technical Support (Modulus Only)	0	664	March 6, 2024
Example Problem: Stan Technical Support (Modulus Only)	0	692	March 3, 2024
Multi architecture network using time window method Technical Support (Modulus Only)	0	683	February 28, 2024
Unable to load 'arch/fourier_net' Technical Support (Modulus Only)	8	859	February 27, 2024
Modulus support omniverse usdcomposer extension? Technical Support (Modulus Only)	0	706	February 27, 2024
Error running Modulus with ntk, stan and lr_annealing Technical Support (Modulus Only)	2	738	February 26, 2024
How to Get Runtime and Predcition Value in ldc_2d.py? Technical Support (Modulus Only)	4	1456	February 26, 2024
How to terminate training at a certain tolerance value Technical Support (Modulus Only)	1	1380	February 26, 2024
Example Problem: T Junction Technical Support (Modulus Only)	14	2198	February 23, 2024