SIMULIA Tosca Structure

Topology, shape, sizing, and bead optimization with nonlinear analysis and fatigue.

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SIMULIA Tosca Structure is a flexible, modular software system for non-parametric structural optimization that provides topology, sizing, shape and bead optimization optimization. The setup is simple – model parameterization is not necessary. Existing solver input files (ANSYS, Abaqus, MSC Nastran) are used for the optimization.

Tosca Structure is based on market-leading technology and provides advanced capabilities for optimization with nonlinear analysis and fatigue as well as a specific non-parametric morphing approach.

Topology optimization: Innovative, lightweight design concepts

  • Conceptual design for lighter and stiffer structures. Create lightweight, ready-to-manufacture product designs and reduce time-to-market, physical tests, and prototype builds.

Shape optimization: Improved designs for more durability and strength

  • Improve existing designs for more reliable and durable components. Minimize stress, strain, and damage – or any combination of these – by automatic modification of the surface geometry.

Bead optimization: Efficient bead patterns for increased stiffness and reduced noise

  • Improve the static and dynamic properties of shell structures. Generate optimal bead layouts while accounting for manufacturing constraints, complex geometries, and realistic loads.

Sizing optimization: Best static and dynamic behavior through optimized sheet thicknesses

  • Obtain an optimal relation between weight, stiffness, and dynamic behavior, to gain material savings and take advantage of increased comfort.

A Wealth of Information on Tosca Structure

 Learning Resources: Tosca Structure Brochure
 Webinar: WLTP and Lightweighting – Lighten the Burden of WLTP
 Article: Why Do Optimal Designs Evade Some, But Not Others?
 Article: 7 Questions to Quiz Your Abaqus (SIMULIA) VAR

The Right Solution Now, Your Trusted Partner Always

All your questions, answered.

We’re happy to answer any questions you may have about Tosca Structure. Contact us today to start a conversation about how Tosca can improve your engineering in so many ways.

  • What else can Tosca Structure do?
  • How does Tosca Structure work?
  • How do I learn to use it?
  • Can I see more industry-relevant examples?
  • Is there a trial?
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ECONOMIC ADVANTAGES

Tosca Structure creates optimized design concepts with significant potential for savings of material and weight. Optimization in an early phase speeds up the product development and hence results in a shorter time-to-market. Gain and maintain a better competitive position in the marketplace with innovative, state-of-the-art designs.
  • Economic use of existing IT investments
  • Faster turnaround from analysis to design or manufacturing
  • More durable and lightweight designs
  • Optimized products drive innovations in your market

TECHNICAL HIGHLIGHTS

Tosca Structure features best-in-class optimization technology for high quality simulation results. Take full advantage of your optimization potential while leveraging advanced simulation capabilities such as material and geometrical nonlinearity (large deformation and contact).
  • Seamless integration with leading FEA & durability solvers
  • Direct use of existing knowledge and models
  • Full design flexibility without time-consuming parameterization
  • Fast and easy creation of design variants avoiding intermediate CAD modifications using shape morphing capabilities
  • High fidelity optimization for nonlinear analysis and durability
  • Simultaneous optimization to meet static, dynamic, and thermo-mechanical requirements
  • Handling of complex manufacturing conditions
  • Automatic validation analysis runs and direct data transfer to CAD systems

POWERFUL OPTIMIZATION AUTHORING INTERFACES

Tosca Structure, as an open optimization solution, offers a wide range of graphical user interfaces. Choose from a selection of fully featured user interfaces to seamlessly fit into your individual CAE environment. Use an intuitive graphical user interface for easy setup and execution of optimization tasks and workflows.
  • Optimization module in Abaqus/CAE
  • Tosca Extension for ANSYS Workbench
  • Tosca ANSA environment (TAe)
  • Tosca Structure.gui

USE CASE: TOSCA STRUCTURE.TOPOLOGY

Wind turbine mainframe

For larger wind turbines, stiffness and strength requirements are more difficult to meet. A redesign of the mainframe should result in an economic design with optimal vibration behavior.
Topology optimization of the mainframe led to a lightweight structure which met static and dynamic criteria. Manufacturing constraints were considered during the optimization to generate a producible design, e.g. to avoid under-cuts. Mass reduction approaching 40%, a feasible final design, and a faster development process were achieved.
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USE CASE: TOSCA STRUCTURE.SHAPE

Rear wheel carrier

For weight optimization of this chassis component, multiple criteria such as strength, fatigue, plasticity, and stiffness had to be considered.
Violated stiffness demands required a modification of the rear wheel carrier design, taking into consideration damage requirements for multiple loads and maximum allowed strain for breaking loads. With Tosca Structure, a shape optimization was performed directly on the existing model without error-prone model simplification or time-consuming parameterization. After 20 automated analysis steps, a redesign was derived with better performance and even a reduced mass compared to the initial design.
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USE CASE: TOSCA STRUCTURE.SIZING

Body-in-White

Higher eco-efficiency is one of the main targets in the automotive industry. To realize a significant weight reduction of a body-in-white, the optimum balance between weight, stiffness, and dynamic behavior is required.
Targeting weight reductions, Tosca Structure.sizing optimizes sheet thicknesses clustered together in groups or individually, up to element level. This way the best static and dynamic behavior for a body-in-white can be found. Through consideration of multiple complex load scenarios, stiffness, and manufacturing requirements, Tosca Structure.sizing helps to meet performance and production goals for an overall increase in eco-efficiency.

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#1 SIMULIA Support Team

As the premiere continental SIMULIA provider, SERVICE COMES FIRST. We are power users of the software we support, and as users ourselves, we live the same customer experience you do. The result is an unrivaled CAE software experience that even wins over Abaqus customers from other vendors.

Our CAE industry experience informs optimal software and hardware purchasing in terms of capabilities, efficiency, and pricing; and our CAE utilization expertise becomes your pillar of support, whenever you need help using these powerful tools.

The most competitive manufacturers are rapidly seizing the advantages of 3DEXPERIENCE and SIMULIA to secure an engineering lead. Don’t get left behind. Develop a cutting-edge CAE strategy tailored to achieve your goals with CATI.

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