Altair MotionSolve
Simulation & CAE software
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What is Altair MotionSolve
Altair MotionSolve is a multibody dynamics (MBD) simulation tool used to model and analyze the motion of mechanical systems such as vehicle suspensions, machinery, and mechanisms. It supports building system-level models with joints, constraints, flexible bodies, and control inputs to evaluate kinematics, dynamics, loads, and responses over time. Engineering teams use it to validate mechanical concepts, investigate performance issues, and generate loads for downstream structural analysis within broader CAE workflows.
Purpose-built multibody dynamics
MotionSolve focuses on time-domain multibody dynamics rather than general-purpose numerical computing or CAD-centric modeling. It supports common MBD constructs such as joints, constraints, contacts, and force elements for mechanism and vehicle studies. This specialization helps teams evaluate motion, loads, and system behavior that are not easily captured in geometry-first CAD tools.
Flexible body and loads workflows
The product supports incorporating flexible bodies (via reduced-order representations) to capture structural compliance effects in system dynamics. It can generate component loads and time histories that engineers use in downstream structural or durability analyses. This supports a workflow where system simulation informs detailed CAE without relying solely on static assumptions.
Automation and integration options
MotionSolve is commonly used as part of automated simulation workflows, including parameter studies and design exploration. It supports integration with broader CAE environments and scripting/automation patterns used in engineering organizations. This can reduce manual model runs when compared with more interactive, GUI-first tools.
Steep learning curve
Multibody dynamics modeling requires careful definition of constraints, contacts, and solver settings, which can be difficult for new users. Building stable, physically realistic models often involves iterative debugging and domain expertise. Teams may need training and internal standards to achieve consistent results.
Not a CAD modeler
MotionSolve is not intended to replace parametric CAD or direct modeling tools used for geometry creation and detailed design. Users typically rely on external CAD systems and data exchange processes to bring geometry and mass properties into the simulation. This can introduce additional steps for model preparation and change management.
Results depend on model fidelity
Simulation accuracy depends heavily on the quality of inputs such as contact definitions, damping assumptions, bushing models, and flexible body representations. Poorly characterized parameters can lead to misleading predictions even if the solver converges. Validation against test data is often necessary for high-confidence decisions.
Plan & Pricing
Pricing model: Altair Units (units-based subscription — "value-based licensing") How MotionSolve is licensed (official): MotionSolve is offered through Altair Units. Licensing is provided as either In‑App licensing (unit draw per job depending on CPU cores/GPU) or Solver HPC licensing (unit draw on a per‑core basis using a lookup table). Altair does not publish list prices on its public product pages; customers are directed to contact Altair for quotes.
Example In‑App unit draws for MotionSolve (from Altair documentation):
| # cores | Altair Units (AUs) |
|---|---|
| 1–4 | 30 |
| 5–8 | 35 |
| 9–16 | 40 |
| 17–32 | 50 |
| 33–64 | 60 |
| 65–128 | 70 |
| 129–256 | 80 |
| 257–512 | 90 |
| 513–1024 | 100 |
| Each duplication | +10 |
Notes:
- Solver HPC licensing uses a per‑core draw lookup table (different scaling) — see Altair solver unit draw documentation for details.
- Altair’s MotionSolve product page and marketplace direct users to "Request a quote" or "Contact us" rather than publishing currency prices.
- Trial licensing: Altair One marketplace supports time‑limited trial licenses for many applications, but there is no explicit MotionSolve trial page or published trial terms on the MotionSolve product page.
Seller details
Altair Engineering Inc.
Troy, Michigan, USA
1985
Public
https://www.altair.com/
https://x.com/altair
https://www.linkedin.com/company/altair-engineering/
