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MotionSolve Overview

MotionSolve is a scalable and integrated multibody solution that enables you to graphically build systems, numerically solve the underlying equations, evaluate system behavior by examining plots and animations and improve their performance through design exploration and optimization.

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MotionSolve Introduction Video Watch this quick introduction video to learn how MotionSolve can help you.

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Increasing the Efficiency in Prototyping Components with HyperWorks Two-wheeler manufacturer cuts new component time to market and optimizes component design with the Altair Partner Alliance Read the Mahindra Case Study
MotionSolve models are parametric and they can be built hierarchically. This means you can create libraries of parametric subsystems and reuse these to build your system model. MotionSolve has been developed in partnership with customers. So it has been thoroughly validated on real models for ease-of-use, scalability, accuracy, robustness and speed.

MotionSolve is an open solution. You can include flexibility effects by importing modal representations of finite element models, co-simulate with controls software and 1-D simulators that contain non-mechanical subsystems, include FMUs developed by third-party solution providers and connect to CFD codes to account for accurate aerodynamic forces. At the user interface level, you can create your own GUIs to instantiate systems and subsystems you created. At the solver level you can customize the physics of the model. Both the solver and the GUI have well-documented interfaces that allow you to customize and extend the solution.

MotionSolve offers powerful capabilities for multi-disciplinary simulations for system level analyses such as kinematics and dynamics, statics and quasi-statics, linear and vibration studies, effort estimation, vehicle dynamics, low frequency NVH and packaging synthesis. It also computes the necessary inputs for performing component strength calculations, weight minimization and fatigue life prediction.

The documented interface for MotionSolve has been used to develop a large set of custom tools for the automotive and heavy truck industries. The custom tools support:

  • Higher level modeling entities that describe parametric components and subsystems

  • System definition and assembly

  • Custom events that perform K&C studies, vehicle dynamics and rough road durability evaluations

  • Automatic report generation for all events

  • Design exploration with model and event variants.

MotionSolve has been successfully used in the automotive, aerospace, general machinery, white goods, packaging, heavy industry and wind energy industries.

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“The Powertrain mount simulation results using Altair MotionView and HyperStudy correlated well with test for critical natural frequencies and mode shapes”
–E. Loganathan
Ashok Leyland

View Case Study

Benefits

Reduce Product Development Time and Cost

Build simple models early in the design phase and add complexity as the design evolves. MotionSolve supports a large set of modeling elements and a variety of analysis methods to facilitate this. Once you have a validated model, you can reuse it in many different contexts. Through simulation you avoid time consuming physical testing and get to the right answer earlier.

Accelerate Product Innovation

Evaluate the behavior of complex systems in realistic settings. Perform design of experiments (DOE) and stochastic simulation to characterize and optimize product performance. Use the loads computed by MotionSolve to reduce component weight, calculate component strength and evaluate fatigue life.

Reduce Design and Manufacturing Risk

Through simulation evaluate a wide variety of alternative concepts and designs very quickly and choose the best design. Moreover, as the design evolves easily validate updated designs with models that have already been built. Certify your products with MotionSolve!

Enforce Corporate Quality Standards

MotionSolve can capture your organization’s know-how as repeatable processes to ensure repeatability and consistency. You can customize the user interface to meet your needs and use automation to eliminate repetitive procedural tasks. You can standardize and share models, data and results with others in your organization.

Gallery

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Excavator flexbody simulation Aircraft baydoor kinematic analysis Crane dynamics Computational fluid dynamics coupled with multi-body dynamics Roller coaster simulation Unmanned aerial vehicle dynamics analysis Pressure distribution of a carwindow wiper
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Capabilities

Solutions

  • Assembly

  • Dynamics

  • Kinematics

  • Linearization

  • Quasi-static

  • Scripted simulation

  • Static

Basic Modeling

  • Beam

  • Bushing

  • Lower pair constraints along with Joint friction

  • Mating constraints between primitive geometries

  • Motion

  • Rigid bodies & Point Mass

  • Spring Damper

Contact

  • 3D rigid-to-rigid mesh based

  • Analytical contact between primitive shapes

  • Flexbody contact using deformable surfaces

Advanced Modeling

  • 2D clusters for Parts

  • 3D rigid to rigid contact

  • Controls modeling (SISO, control state equation, differential equation)

  • Custom, user-defined modeling elements

  • Deformable curve

  • Deformable surface

  • Distributed force on flexbody

  • Event and Proximity Sensors

  • Field

  • Frequency and amplitude dependent bushings

  • General constraint (user defined constraint)

  • General force/torque

  • Geometric and Material non-linear flexible bodies

  • Higher-pair constraints

  • Inequality constraints

  • Linear flexible bodies

  • Modeling, Utility and Driver User sub-routine library: Python, MATLAB, C++, Fortran

  • Penalty Force

Commands to Modify Model

  • Activate, Deactivate, load model, reload model

  • Bodies -- Rigid, flexible

  • Forces -- Beam, Bushing, Gravity, Friction, user defined forces, spring-dampers

  • Output file generation and settings

  • Simulation settings -- Statics, Dynamics

User subroutines

  • Driver subroutine

  • Interfaces for Fortran, C/C++, Python

  • Modeling subroutines

  • Run time loading and unloading of DLL / SO

  • Utility subroutines

Function Expressions

  • Run time expressions

  • Basic math functions

  • Custom functions

  • Displacement, velocity, acceleration and force functions

  • Higher level math functions -- interpolation, Fourier & Chebyshev polynomials, smooth step

Multi-disciplinary solutions

  • Advanced vehicle driver

  • Aerodyn libraries from NREL for aero-elastic analysis of wind turbine

  • Fluid dynamics co-simulation via MotionSolve-AcuSolve

  • Handling, ride and comfort, durability tires and roads

  • Hydraulic/Pneumatic system co-simulation via MotionSolve-DSHPlus

  • Sharing equations via code export with Simulink

  • Sharing linear models with Simulink

  • Sharing signals via MotionSolve-Scicos controls co-simulation

  • Sharing signals via MotionSolve-Simulink controls co-simulation

    API for MotionSolve

  • C++

  • Python

Automotive:

  • Built-in, fully parameterized, interactive suspension and vehicle dynamics model library

  • Built-in Industry standard kinematics & compliance events, user-defined events, durability and open-&-closed loop handling events

  • Automated suspension design factors report and full vehicle metrics

  • Flexbodies, rough roads, high fidelity tires and realistic frequency and amplitude dependent bushings

  • Automated utilities to map Multibody loads to FEA

  • Interfaces to third party software (FTire, CDTire, TNO DELFT-TYRE)

  • Controls co-simulation with Simulink and Simulink Code Import

Aerospace:

  • Improve Landing gear performance. Study vibrations associated with gear walk, chatter, squeal, shimmy; simulate system behavior during different maneuvers (takeoff, taxi, landing, retraction, lowering, steering, braking, etc)

  • Rigid and flexible bodies

  • Library of constraints, motion inputs, concentrated loads, distributed forces and realistic bushings

  • Simulate flight controls via Controls co-simulation with Simulink and Simulink Code Import

  • Hydraulics/Pneumatics co-simulation with DSHPlus (Fluidon)

  • Tire and road models (FTire, CDTire, TNO DELFT-TYRE)

  • Automated utilities to map Multibody loads to FEA

Energy:

  • Certified by NREL

  • Full suite of analysis capabilities (assembly, kinematics, dynamics, statics/quasi-statics, linear)

  • Rigid and flexible bodies

  • Library of constraints, motion inputs, concentrated loads, distributed forces and realistic bushings

  • Simulate active pitch control, speed control, aerodynamic power control, tower feedback control via Controls co-simulation with Simulink and Simulink Code Import

  • Accurate flex body simulation

  • Automated utilities to map Multibody loads to FEA

  • Coupling with Fluid dynamics to accurately simulate offshore floating wind turbines

Heavy:

  • Comprehensive solution for off-highway equipment, on-highway vehicles and stationery equipment

  • Full suite of analysis capabilities (assembly, kinematics, dynamics, statics/quasi-statics, linear)

  • Flexbodies, rough roads, high fidelity tires and realistic frequency and amplitude dependent bushings

  • Library of constraints, motion inputs, concentrated loads, distributed forces and realistic bushings

  • Hydraulics/Pneumatics co-simulation with DSHPlus (Fluidon)

  • Controls co-simulation with Simulink and Simulink Code Import

  • Tire and road models (FTire, CDTire, TNO DELFT-TYRE)

  • Automated utilities to map Multibody loads to FEA

Amusement Ride:

  • Parametric models to easily modify track length, lift height, track profile and simulate for kinematics and dynamics

  • Ease-of-simulating rides for varied speeds, height and variation of movement

  • Best-in-class post processing to understand zone timing, velocities and resulting G-Forces

  • Full suite of analysis capabilities (assembly, kinematics, dynamics, statics/quasi-statics, linear analysis)

  • Library of constraints, motion inputs, concentrated loads, distributed forces, flexbodies and realistic bushings

  • Automated utilities to map Multibody loads to FEA

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