Digital Validation · 2015. 2. 12. · 2 Agenda Who is Siemens PLM Topics NX Simulation Overview © 2010. Siemens Product Lifecycle Management Software Inc. All rights reserved The

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Digital ValidationNX ElectromechanicalNX ElectromechanicalSimulation

Siemens PLM Software

[email protected]

SPLM BENELUX

Agenda

Who is Siemens PLM

NX Simulation OverviewTopics

© 2010. Siemens Product Lifecycle Management Software Inc. All rights reserved

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Agenda

Who is Siemens PLM



The PLM Portfolio of Solutions

Intelligent, Open, Integrated (or Standalone)

Transforming Transforming Product Product

Development Development

Open Solution for Open Solution for Manufacturing Manufacturing Engineering Engineering Management Management


Capturing and sharing Capturing and sharing product knowledge product knowledge

Evolve to 3D for Evolve to 3D for competitive competitive advantageadvantage Open software tools Open software tools

for standardization for standardization and interoperability and interoperability

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Siemens PLM CAE Heritage

20041985 1999 2003 20071967

nNX Nastran


FemapFemap

Siemens PLM CAE Heritage

20041985 1999 2003 20071967

nNX Nastran


FemapFemap

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Agenda

Who is Siemens PLM



Siemens Digital Simulation SolutionsIntegration deliver productivity

Digital Simulation Solutions that are pervasive throughout the product lifecycle and that affect and drive product

Integrated design and simulation

Integrated multi-discipline analysis

designs early


Simulation data and process management

Knowledge capture and re-use

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Obstacles

“Digital Simulation is increasingly seen as the key to development efficiency and increased profits…

… but has also become a process bottleneck for many companies.”

Geometry

Analysis Data Dust

Analysis

Vibration and shock test


Clearance Analysis

ECAD Updates

PCB Thermal

Analysis

Transient PCB Heat Transfer

Analysis

Life Analysis

Cooling Analysis

YY- Stress PSD

RMS=19.7 MPa

Complete Multi-Discipline AnalysisA Single Environment For All Mechanical Tools


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YY- Stress PSD

RMS=19.7 MPa

Complete Multi-Discipline AnalysisA Single Environment For All Mechanical Tools

Access multiple CAE solutions within one

system, one user f


interface…NX

Major Causes of Electronic Failures

TemperatureDust

Humidity

Vibration


Source: US Air Force Avionics Integrity Program Report

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Multi-physics and multi-discipline analysisFluid Flow & Heat Transfer Simulation : Product Set

NX Industry-specific & application-specific

General purpose CFD & heat transfer simulation capabilities

SPACESYSTEMSTHERMAL

ADVANCED THERMALADVANCED FLOWELECTRONICSYSTEMSCOOLING


THERMALFLOW

FE-based, finite volume CFDSteady state and transient

NX Flow Simulation : Overview

Internal and external fluid flows Automatic connection between disjoint fluid meshes for CFD within assembliesAutomated runtime fluid mesh creation including local mesh refinement and boundary layer mesh generationInlets/openings, fans, vents, screens, baffles, flow surfaces and porous blockages


Linear and nonlinear flow boundary conditions

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Advanced Flow Capabilities

High speed highly compressible flows

Non-newtonian fluids (visco-plastic models, etc)

Additional turbulence models (SST, k-, etc)Additional turbulence models (SST, k , etc)

Moving & Multiple rotating frames of reference

Rigid body static motion

Active controllers for fan-driven flows

Particle tracking, scalars, transport of species

Dies, smoke, pollutants, etc

Cyclic symmetry and periodic boundary conditions

H d li t k (I l di 1 D t 3 D fl id


Hydraulic networks (Including 1-D to 3-D fluid domains connections)

Humidity and condensation

HVAC ASHRAE Thermal Comfort Results

NX Thermal Simulation Overview

FE-based, finite difference scheme

Steady state and transient heat transfer

Co pled cond ction con ection and radiationCoupled conduction, convection, and radiation

Thermal couplings for disjoint parts and assemblies (including nonlinear thermal contact modeling)

Thermostats and heaters modeling

Hemicube-based radiation view factors calculation (using graphics hardware)

Automatic solver coupling with NX Flow for thermo-


Automatic solver coupling with NX Flow for thermo-fluid multi-physics applications

Linear & nonlinear material properties

Linear & nonlinear boundary conditions

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Advanced Thermal Capabilities

Active heater controllersAdvanced thermo-optical propertiesMonte Carlo & advanced radiation optionsSolar heatingRadiative heat sourcesConvection couplingsMotion: Articulation & transient motionPeltier coolersElectric (Joule) heatingHydraulic duct networks


Composite material multi-layer shellsAblation-Charring ModelingOpen architecture : user subroutinesParallel processing


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NX PCB.xchange & NX ESC

From ECAD data to NX simulation results…


NX PCB.xchange & NX ESC

From ECAD data to NX simulation results…


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Spatially Varying Thermal Conductivity

PCB Assembly

Compute Conductivity

Review Discretization

Mod

elin

g


Export ESC ModelObtain Temperature Results

Cooling analysis using NX Electronic Systems Cooling


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Integrated Design and SimulationStrong, open geometry foundation

A strong and open geometry foundation is essential for CAE analysis.

The analyst should be able to

Build and modify geometry easily

Read and edit geometry from multiple CAD systems

Easily derive CAE model geometry from design geometry

Rapidly update the CAE model when design geometry is changed


NX delivers a user experience that is up to 100X faster

NX with Synchronous TechnologyEasily build and modify geometry

“THE BEST Integrated modeling solution available”

CAE analyst quickly makes the required

what-if changes

CAE analyst quickly makes the required

what-if changes


The efficiency savings of NX with ST benefits every CAE user

Gear casing Image courtesy of Courtesy of Nesys and Vergnet SA

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Strong, Open Geometry FoundationRapidly update CAE models

Challenge: Imported data

H t dit t ith t How to edit geometry without knowledge of feature history?

Solution: Use NX Synchronous

Technology to edit geometry features directly

Make changes in seconds


g Automatically update CAE

model when original design changes

NX with Synchronous TechnologyRapidly generate fluid volume

Deleting surfaces exterior surfaces to obtain exterior or interior volume

Smart Selector used to select internal surfaces (Pocket) – one click


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Strong, Open Geometry FoundationQuick and easy geometry clean-up

Automated topology healing for selected faces or complete model.

0.02mm wide sliver


ESC Example


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Integrated Multi-Discipline Analysis Response dynamics

Challenge

Understanding dynamic behavior of designs

Advanced forced dynamic response Transient Frequency FRF Random Shock Response DDAM

Fast interactive graphical interface


Interactive dynamic analysis for deeper insight on system behavior

Fast interactive graphical interface

Rapid updates with geometry change

Knowledge Capture and AutomationCase Study: Automotive OEM – Process Automation

Challenge:

Balance the airflow in engine manifold

O ti i 10 d i i f Optimize a 10 day process requiring four CAE applications

Solution:

Completely replace existing CAE tools with NX Advanced FEM and NX Flow

Use Synchronous Technology to set up fluid domain geometry prior to meshing

A t t i NX O


Automate using NX Open

Result:

Pre-process, solve and post-process simulations in 6 hours

10 to 15 times process improvement

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www.siemens.com/plm

Thank you


[email protected]

+32 (0)473 88 17 18

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Digital Validation · 2015. 2. 12. · 2 Agenda Who is Siemens PLM Topics NX Simulation Overview © 2010. Siemens Product Lifecycle Management Software Inc. All rights reserved The