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Geant4

11.2 Open source · CERN
High-Energy Physics Available on request

Monte-Carlo simulation of particle transport through matter, multithreaded within a node or distributed with MPI across nodes for detector design, dosimetry, and medical physics.

Multithreaded MPI Grouped simulations

A managed scientific-software service for your organization

Provide research and engineering teams with approved applications and reproducible execution without asking them or your infrastructure team to maintain every software stack.

For organizations

Create one governed application service for laboratories, engineering groups, and teaching environments on infrastructure your organization controls.

What your users can do

Choose an available application, configure a simulation, submit and track the run, review logs and status, and retrieve the recorded results.

What your infrastructure team gets

Control approved applications and versions, licensing integration, access, resource quotas, execution policies, data location, and run history.

How WECORE deploys and operates it

We package and validate applications, deploy the service on your OpenStack infrastructure, integrate licenses where required, and provide ongoing operations.

Overview

Understanding Geant4.

Geant4 is a toolkit for simulating particles passing through matter, developed by the international Geant4 Collaboration.

It is a library you link into an application rather than a program you run. You describe a geometry, a set of physics processes, and a primary generator, and the toolkit transports particles through it.

Use cases

What people run it for.

Detector design and response studies

Model detector geometries and study their response in high-energy and nuclear physics before committing to hardware.

Radiotherapy dose calculation

Compute dose distributions for radiotherapy and other medical-physics work with full Monte-Carlo particle transport.

Radiation shielding and space environments

Evaluate shielding designs and radiation environments, from facilities to spacecraft.

Imaging-system modeling

Model imaging systems from the source through to the detector response.

Run modes

How the application runs in a managed environment.

Managed batch execution

Grouped simulations for statistical samples

Monte-Carlo histories are independent, so the platform can spread the same simulation across many nodes with different random seeds and combine the results at the end.

Managed batch execution

Multithreaded within a node, MPI across nodes

Geant4's multithreaded mode uses the cores within a node for one simulation; MPI can distribute a simulation that must span nodes.

Available on request

Run scientific software without managing the cluster.

Tell us which scientific application you need and how you plan to use it.