Validating a Simplified FEM using Simcenter FE Model Update

Quick Overview It is often required to create lightweight, simplified versions of large FEMs in order to reduce solution time or post-processing effort. A common simplification technique that can be used with relatively slender parts is midsurfacing. Whereas plate...

Correlating Simulation & Modal Test Results with Simcenter 3D

Quick Overview A powerful way of reducing design conservatism is to validate the finite element model used to simulate its performance. Comparing the simulation model’s natural frequencies and mode shapes with those acquired in test generates confidence in the...

How to map flow forces to a structural analysis in Simcenter

Quick Overview Simcenter offers a dedicated application to map steady state or transient flow results onto a target model, typically an independent structural model from the same geometry but with a different mesh. For example, one could be interested in the stress...

Approaches to Laminate Buckling with Simcenter

Quick Overview Although it is well known that Simcenter supports linear buckling solutions (SOL 105), some engineers are reluctant to use this method for composite laminate, based on the perception that the linear buckling analysis does not adequately account for the...

How to preview NX NASTRAN contact and glue regions

Quick Overview When you define a contact or glue condition in your model, NX Nastran internally creates contact or glue elements using the contact or glue regions you select as well as the search distance that you define. Although these contact or glue elements may...

How to create a 4D field in Simcenter

Quick Overview You may have to define a load or a boundary condition that not only varies as a function of spatial coordinates, but also with time, temperature, or frequency. This Tips & Trick shows how to use Simcenter to create a 4D field, which allows you to...

How to optimize a laminate in Simcenter

Quick Overview Simcenter Laminate Composites (LC) allows you to optimize the fundamental properties of a laminate coupon- for example, increasing its modulus in the X direction, minimizing its mass or its thermal expansion- by modifying ply angles, ply thickness, ply...

How to drive NX expressions from a spreadsheet

Quick Overview This Tips & Trick shows how to drive expressions in NX from an external spreadsheet. Core content Demo Video When performing what-if or parametric studies, you may have to repeat simulations with different values of multiple parameters. These...

Polygon Bodies and Mirroring in NX Post

Description This Tips & Trick shows how to display polygon bodies together with results in the NX post-processor. It also shows how to activate Mirror Display. We will explore these functionalities on a Battle Droid model, on which a modal analysis was performed....

Mapping Polygon Faces to CAD Faces within a NXOpen framework

Quick Overview This Tips & Trick shows how to map Polygon Faces (i.e., CAE faces) to CAD Faces. Given a CAD Face in the Modeling application, what is its corresponding CAE Face in the Advanced Simulation application ? Core content How to find the corresponding...

About the Stiffness of Sandwich Structures

Quick Overview This Tip & Trick will expose a common misunderstanding about sandwich structures, causing designers to often overestimate their overall stiffness or to stiffen them in a less than optimal fashion. Introduction Because of their high-stiffness and...

Flow-induced vibrations

Author: Zouya Zarei Zouya is a Thermal Flow Application Engineer at MAYA Heat Transfer Technologies based in Montreal, Quebec, Canada. He has long fostered a fascination with fluid dynamics, which ultimately led to higher studies in computational fluid dynamics. He...

NX Customization – Easy steps to improve productivity

Quick Overview When assembling parts, creating and editing meshes and setting-up simulations, NX tools are often used repetitively. Even though all tools are easily accessible via the top menu and ribbon bar, you can improve your productivity by customizing your...

Efficient PostProcessing for Composites with Femap

Quick Overview This post-processing Tip & Trick will show how to efficiently use predefined Femap API and a customized toolbar for laminates. This example, created in Femap 11.22, shows a 2D laminate mudguard model. Figure 1 & Figure 2 are showing ply...

Delamination in a Composite Bend

Quick Overview This Tips & Trick shows how you can use the results from a coarse finite element simulation to assess potential delamination in a curved composite material. The main steps are: 1. Extract the appropriate grid point forces or element forces that are...

How to validate the distribution of 2D element thickness in NX

Quick Overview NX Advanced Simulation provides several methods to define the thickness of 2D elements, such as derived from a mid-surface, assigned through Element Associated Data or from a physical property table. It is helpful to validate the thickness definition...

How to create NX CAD geometry from a FEM part

Quick Overview There are many situations that require modifying a feature in a FEM model, for example, changing the diameter of a hole, introducing a notch in a model, etc. However, all these changes require the CAD geometry to be available, which might not always be...

How to verify that loads are correctly applied to your NX model

Quick Overview This tips and Tricks shows how to use the Mechanical Load Summary command in NX to compute the total forces and moments for the active structural analysis solutions or sub cases. This command allows you to verify that you have correctly applied loads to...

Reuse convection results from CFD in a detailed thermal analysis

Often, one conducts a CFD analysis of a system, taking into account fans, obstructions, multiple components and the surrounding environment. A great example is an electronics box with multiple printed circuit boards. However, components of the system-level model may...

How to combine solved load cases in NX

Quick Overview This Tips & Trick shows how to use the Combined Load-cases functionality in NX, which allows you to create combinations of linear load case results, thereby avoiding the need to pre-define and solve all the required combinations. Core content...

Add a user-defined failure theory in NX Laminate Composites

Quick Overview This Tips & Trick shows how you can define your own ply and interlaminar failure theories in NX Laminate Composites. The main steps are: Create and set a new project in Microsoft Visual Studio. Code the failure theory and build the corresponding...

How to create a load field using ISO lines

Quick Overview This Tips & Trick shows how to use an NX formula field and face’s isolines to easily define a spatially-varying pressure load. Figure 1. Spatially-varying pressure load Core content Let’s assume that it is intended to define a pressure distribution...

Using Thermal Results to Create Loads and Boundary Conditions in NX

Quick Overview This Tip & Trick shows how to use the results from a thermal simulation to create a temperature load in a structural simulation using fields. A contour of the resulting temperature load will be generated and compared to the thermal results. The...

Margin of Safety Calculation with Femap

Quick Overview This post-processing Tip & Trick will show how to calculate the stress margins of safety of a structure under a static pressure load, and then how to plot the margins and locate the critical areas of the part. This example, created in Femap 11.2,...

Maya HTT becomes a member of the electric vehicles Consortium Inno-vé

Global expert in numerical simulations for the world of engineering, Maya HTT becomes a member of the Consortium Inno -vee ( http://www.inno-ve.ca ) . The consortium’s mission is to support the development and funding of collaborative projects in pre-competitive...

Maya HTT & TM4 join their efforts for Google’s Little Box Challenge

Global expert in thermal simulations for electronic components, Maya HTT join their efforts with TM4, world leader in electric motors for the automotive industry as well as in the design of permanent magnet generators for wind and tidal sector, to participate in the...

Introducing Siemens NX 10

Today we’re proud to announce the latest release of Siemens’ NX™ software, NX 10. We’ve made some exciting changes with this latest version of Siemens PLM Software’s NX software.  From feature enhancements to brand new capabilities in CAD, CAM and CAE, NX 10 has...

Siemens PLM Connection 2014 Sessions Information

Session Name Roles Track Date/Time High Performance Computing for NX Thermal and Flow (14025) Session Submitter: Carl Poplawsky Primary Presenter: Carl Poplawsky [Sr. Application Engineer – Maya HTT Technologies Ltd.] User Experience Time: Jun 19, 2014 (09:30 AM...

Structural Analysis Toolkit Pro V6 now available

Structural Analysis Toolkit Pro V6 now available. This latest version allows the computation of true peak failure metrics (failure index, strength ratio and margin of safety) for composite elements in random analyses, a ground breaking innovation in the CAE world. To...

Success Story: Composites design and analysis for complex surfaces

At a large equipment manufacturer with years of experience building big composite structures, engineering design and analysis has traditionally been performed using many custom-built programs and small text files. This generates lots of data files without any revision...

Success Story: Rotating equipment analysis

A large aerospace manufacturer typically need to qualify new designs by applying specialized analysis processes that combine commercial solvers and in-house correlations and computations using proprietary data and know-how deriving from decades of experience.  When...

Success Story: Interior design and floor plan drawings

Scores of architects and interior designers at world headquarters of a large retail chain must prepare floor plan layouts for hundreds of stores every year, first for approvals, and later for release to construction crews. When considering replacement options for...