PanX - A Novel and Unique Software Architecture for AM

PanX enables the development of simulation and optimization products for any thermal or mechanical build issue at any part scale or complexity

PanX is Fast.

Designed from the ground up to handle the size and scale of modern additive manufacturing

PanX is Scalable.

Designed to solve any additive geometry regardless of size and complexity

PanX is Accurate.

Able to resolve fine detail accurately even for the largest problems

PanX is Efficient.

Able to solve extremely large problems using modest hardware

25,874,981 Elements
54,806,663 Nodes
206 GB of RAM
48 Core Desktop
160 Hours to Print
14 Hour PanX Solve

How is it possible to solve a heat exchanger on a Desktop?

Efficient and Scalable Architecture

New Approach to Solving Additive Problems

PanX was designed from the ground up with scalability to ultra large problems in mind.

We knew that the only way to optimize for additive at scale was to re-think how additive problems are modeled and invent new technology to simulate these problems much more efficiently than legacy tools.

Multi-Grid Modeling

Traditional Adaptive Meshing

Elements are activated at the fine resolution, but coarsened throughout the analysis. This erases detail with each coarsening generation

PanX Multi-Grid Modeling

Each new layer brings new refined elements and coarsens previous layers.

The fine grid result is a combination of all of the intermediate grids

Accuracy Improvement​

Since the transient detail is not lost, MGM can resolve fine detail (build lines and stress concentrations) with the same fidelity as a fixed fine grid!

Feature Aware Meshing

Traditional Voxel Mesh

Traditional meshing can capture fine features; however, tends to dramatically over-refine where fine detail is not needed

Feature Aware Mesh

Feature aware meshing maintains fine details where needed, but allows for coarsening in less interesting (bulkier) areas of the model

Large Part Meshing

Efficient Meshing

PanX leverages periodic adaptivity and can easily handle meshes in the 100s of millions of elements.

This "relatively small" 70,934,134 element heat exchanger meshes and solves in 9.2 hours on a 48 core pc

Fast and smart

Feature aware geometry processing lets PanX resolve ultra small features while coarsening elements in bulkier areas where the detail is less critical

Large Part Scaling

Start fast...End Fast

Legacy additive simulation tools solve the first few layers very quickly, and then slow to a crawl as elements are added

PanX Multi-Grid Modeling with advanced meshing eliminates this exponential slowdown and enables models to run faster over the entire solve.

Dramatically reduced RAM

Besides solve speed, PanX Multi-Grid Modeling with advanced meshing keeps compute resources to a minimum, even for our extra large heat exchanger, which was has almost 283 million elements (and 570 million nodes)

High Definition Surface Results

Surface vs Voxel Results

PanX leverages the Multi-Grid approach to map surface results from extremely fine voxel data. ensuring the best possible data resolution.

Warped Results Tell the story

Coarse elements and large macro layers inevitably smooth your results and hide the true complexity of the part behavior.

Here the fine multi-grid mesh shows multiple build lines, warps, and kinks, while the coarse result shows very little useful information.

Smooth Surface Stresses

Mapping data from a coarse mesh can result in very little stress concentration in the final result. Because everything in PanX operates on the multi-grid concept, the surface results have excellent accuracy.

Adjoint Sensitivity Driven Optimization

Optimize Any Model Input

PanX computes the adjoint sensitivities (derivatives of each model output with respect to each input), which enables fast convergence of even large optimization problems

Example analysis showing PanX optimization used to minimize support structure volume while not exceeding the maximum temperature constraint

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