Simulation

Simulation for Army systems: survive on screen before the field

Updated July 29, 2026 · Free educational guide · verify details at the official sources below

Army hardware lives or dies on blast, ballistics, vibration, thermal and RF physics. Engineering simulation — explicit dynamics (LS-DYNA), structural FEA (Mechanical), CFD (Fluent), and electromagnetics (HFSS) — lets a team retire those risks in software before an expensive live test.

The Army's physics problem

Ground, soldier and aviation systems face conditions no consumer product ever sees: buried-charge blast, ballistic impact, brutal vibration over broken terrain, sealed electronics baking in a desert, and RF environments crowded with jammers and drones. Every one of those is a physics problem you can model.

Survivability and energetics

Explicit-dynamics tools like Ansys LS-DYNA and Autodyn handle the violent, millisecond events — armor penetration, underbody blast, warhead fragmentation. You track hull deformation, spall and occupant-injury metrics and turn a survivability claim into a number a reviewer can trust.

Structures and mobility

Ansys Mechanical covers the slower structural story: stress, fatigue and modal analysis on hulls, suspensions, drivetrains and load frames. It's how you find the crack-prone weld and the resonance that shakes a payload apart before a field trial does.

If your project needs simulation

We can arrange Ansys evaluation licenses plus live engineering support so your team can run these analyses during a competition or SBIR effort.

See if you qualify for an Ansys eval The MVP playbook →

Aero, thermal and power

Ansys Fluent and CFX model the aerodynamics of a UAS or rotorcraft and the cooling of a sealed C5ISR box; pair Fluent with Icepak for electronics thermal, and use it on battery-pack thermal-runaway safety for dismounted power. Get the heat wrong and the electronics throttle or the pack catches fire — both are cheaper to discover on screen.

RF, sensors and reliability

Ansys HFSS designs antennas, models radar cross-section and predicts counter-UAS RF coverage on the real platform, where the hull distorts the pattern. SIwave and Q3D close signal and power integrity on dense sensor boards, and Sherlock predicts which solder joint fatigues out under MIL-STD vibration and thermal cycling.

Why it matters for funding

Simulation isn't a nice-to-have — it's the evidence that wins competitions and SBIR proposals. It shows the Army you understand your failure modes and have already designed around them. See who wins xTech for how that evidence separates winners from the pack.

Official sources: Army SBIR program · xTech competitions. Figures change; confirm on the official page before relying on them.

Keep reading

Browse all funding → Funding events →