Simcenter 3D 2019.1. Release Highlights Dr. Akgün ... - NX · Page 21 Siemens PLM Software Simcenter 3D Aerostructures with composites Benefits •Margin of safety methods can now

Simcenter 3D 2019.1.

Release Highlights

Dr. Akgün Kalkan, INORES

Unrestricted © Siemens AG 2019 Realize innovation.

Unrestricted © Siemens AG 2019

Page 2 Siemens PLM Software

3D CAE for the digital twin

Simcenter 3D



Simcenter 3D

Themes for 2019.1

Simulation for the future Expanded solutions

A new path forwardNew ties to the digital thread



Simulation for the future

Enhanced topology

optimization

Additive manufacturing

process simulation

Design and simulate

manufacturing of

shapes never

possible before

Highlights…



Enhanced topology optimization

Benefits

• More robust, easier to use

How?

• Create a design objective or design constraints related

to critical loads including buckling

• Manufacturing constraint improvements produce

results with better convergence and accuracy

Use simulation to drive and optimize the

shape of a completely new design



Simcenter 3D Additive Manufacturing

Additive Manufacturing Process Simulation

• New Simcenter 3D Product to analyse the 3D printing

process for Powder Bed Fusion.

• Seamlessly integrated with NX Additive Manufacturing

• Open architecture and physics based modeling

• Digital twin of production to simulate:

• Temperature with and without powder

• Probability of overheating

• Distortion before support, after heat treatment as

build

• Compensation workflow

• Prediction of shrink lines

• Recoater interference

• Stiffness calculation



Simcenter 3D Additive Manufacturing

Simulation WorkflowGenerate Simulation

Supports

Generate thermal and

mechanical simulation

input

Thermal Solution Distortion SolutionSupport RemovalCompensation

NX Fixed Plane



Expanded solutions

Simulate new

solutions that are

otherwise too

challenging

New transmission builder

Aerostructures with

composites



Transmission Builder

Benefits

• Efficient and accurate simulation of transmission

dynamics.

• Extremely fast gear simulation and as accurate as FE.

• Minimize transmission noise and vibration.

• Guarantee performance and durability.

Reduce your transmission simulation effort

by 80%



Simcenter 3D Synergies with Transmission Builder

Motion to Acoustics process

Run-up Simulation

Whine

Dynamic bearing forces

Assessment of Sound Pressure Levels

based on ensuing Acoustics simulations



Simcenter 3D Aerostructures with composites

Benefits

• Margin of safety methods can now associatively link

to laminate composite definition in the FE model.

• Embed company-specific know-how for laminate

composite assessment.

• Accelerates the overall process of composite design,

structural engineering, and certification.

How?

• Associative link to the FE model laminate composite

definition.

Streamline aircraft structural analysis

process by up to 30%



Simcenter 3D Engineering Desktop

What’s New

Engineering Desktop

• Surface meshing tools that meet the demands of

Automotive OEMs.

• Meshing of convergent models to provide end-to-

end design workflows.

• Improved automation of meshing tasks to reduce

CAE model build times

Simcenter 3D

2019.1

Simcenter 3D

12



Simcenter 3D Engineering Desktop Geometry

• Face From Mesh

• Imprint Normal to Face

• Automatic Mesh Mating Conditions

• Datum Plane Import and Create

• Split Face by Facet Edges

Increase efficiency in reverse engineering

workflows

Geometry

~20K bodies

718 follower

beams

2D - FE Mesh

235K quads/tris



Simcenter 3D Engineering Desktop Meshing

• Provide surface meshing tools that meet the

demands of Automotive OEMs

• Reduce mesh quality failures for element

quality parameters.

• Control mesh density along multiple

connected edges

• Control mesh density along multiple edges.

• Improve support for triangular element

quality.

Quality and Robustness Simcenter 3D

2019.1Version 12



Simcenter 3D Engineering Desktop Meshing

• Enable meshing of convergent models to

provide end-to-end free design workflows

• Improve usability in terms of mesh names

• Improve mesh quality while honoring

application specific constraints

• Enhanced workflows for Additive

Manufacturing components

• Improve automation and parametric

modeling by supporting mesh sizes driven

from expressions

• Improve automation of meshing tasks to

reduce CAE model build times

Workflow Support and Automation Support



Simcenter 3D Engineering Desktop General Pre-Processing

• Work effectively with large assemblies containing

connections and contact

• Exchange connection data with third party applications in a

neutral format

• Enable more flexible workflows for automation

• Improve performance when interacting with large models

• Accelerate assembly checks and updates

• Improve user interaction and interpolation of fields

• Improve data sharing and re-use of data

• Improve usability of boundary condition ID renumbering

Universal Connections, Connections, Large Model

Support



Simcenter 3D Engineering Desktop Post-Processing

• Quick interrogation of structural results

• Accurately position the cutting plane when sectioning a

view

• Create user-defined and re-useable headers for

Postviews

• Accurately define the required level boundaries for

increased display control

• Display multiple tensor components e.g. for principal

stress analysis

• Postprocess stresses in airframe panel analysis

• Support more X axis options than length along path

Usability, Display and Graphics, Graphing



Simcenter Nastran Multistep NonlinearWhat’s New

Shared technologies :

• Element formulations

• Material library

• Numerical Strategy Capability Speed Usability

Simcenter Nastran

Multistep Nonlinear

SOL 401 / SOL 402

• Spin-off of Liege University (1965)

• European Aerospace industries footprint

• Industry standard for over 50 years

• Complete suite of FE solvers



Application Enhancements List

Multistep Nonlinear Solution (SOL 401)

• Transient Nonlinear Subcase

• Contact enhancements

• Element enhancements

• Bolt Preload enhancements

• Restart support



Contact

Robustness Improvements

Challenge:

• In some cases it is difficult to get convergence of nonlinear solution with

contact boundary conditions

Solutions:

• Adaptive Penalty Stiffness: automatic adjustment of penalty stiffness helps

converge for light or hard contact

• Penalty stiffness update for temperature dependent material

• Gap / Penetration Adjustment: more options when initial gaps or

penetrations exist

• Move nodes/adjust penetration within tolerance

• Specify delta time to eliminate initial interference

Extend contact algorithms and controls to make

convergence more robust



Nonlinear Elements

Element Extensions

Challenge:

• Extend nonlinear materials to more element types

• Simulate manufacturing sequences

• Extend support for aero-engines

Extensions:

• 1D beam plasticity and creep

• Element add/remove

• Mid-node thickness and pressure definitions for plane stress

elements

• Chocking support in “linear” solutions

Element capability extensions and accuracy

improvements



Nonlinear Elements

Bolt Preload Extensions

Challenge:

• Use simple bolt representations to reduce model size and improve

performance

Extensions:

• 1D beam element bolt representations

• Intermediate results output for preload subcases

Simplified bolt modeling



Nonlinear Workflows

Restart Support

Challenge:

• In some cases it is difficult to get convergence of nonlinear solution

• Users want to run different solution variations from a nonlinear state

Solutions:

• Restart a nonlinear analysis from any converged state in a prior run

• From the end of any solved subcase

• From the last convergence of a subcase

• In restart solution can:

• Adjust solution parameters

• Change load and BCs

• Use cases:

• Restart from last converged time and change parameters to progress solution

• Multiple restarts from a converged preload condition so that preload step does not

have to be repeated

Allow restart of nonlinear solutions



Application Enhancements List

Multistep Nonlinear Kinematics (SOL 402)

• Kinematic Joints & Drivers

• Material extensions

• Complex Eigensolution Subcase

• Solution Monitor

• Restart support



Nonlinear Solutions

Nonlinear with Kinematic Behavior

Challenge:

• Some structures experience nonlinear displacements as a result of

deformations as well as kinematic motion

Solutions:

• Robust algorithms that support large displacement and rotational behavior

in combination with flexure

• Kinematic joints:• Hinge

• Prismatic

• Cylindrical

• Sliders

• Twister

• Spherical

• Removable link

• Drivers and time constraints

Facilitate nonlinear solutions that have flexible

and kinematic displacements



Simcenter 3D Multiphysics

What’s New: Thermal-Flow-Structural Solutions

Challenge:

• Flow solution was previously not available in the Multiphysics

environment.

• Pressure from CFD had to be mapped to the structural model.

• The process was disjointed and potentially error-prone, particularly in

transient analyses.

• Required multiple models and meshes.

Solution:

• All flow functionalities available in Multiphysics.

• Easy setup of thermal-flow-structural analysis on the same model.

• The thermal, flow, and structural solvers operate seamlessly and results

can be post processed.

• Lays foundation for two-way FSI in future releases.

Easily perform coupled thermal-flow-structural analyses in the

Multiphysics environment.

Heat load

Inlet flow

Fixed translation

Valve subject to fluid, and thermal stresses.




Thermal-Flow-Structural Solutions




Simcenter 3D Flow and Electronics Systems Cooling

Internal fans on disjoint meshes

Define internal fans on surfaces with disjoint meshes to

streamline flow simulation workflows in complex systems.

Challenge:

• Prior to SC2019.1, internal fans had to be defined on mesh-mated surfaces.

• Mesh mating is not available in the AFEM context.

• Fluid domains had to be extracted at the modeling level.

• Idealized parts not accessible at the part level.

• Fluid domain extraction for complex assemblies with internal fans is challenging.

Solution:

• Fluid domains can remain within their respective component idealized parts.

• Can be combined with surface wrapping workflows.

• Allows analyst to follow the Simcenter iprt paradigm more closely.




Simcenter 3D Flow and Electronics Systems Cooling

Advanced turbulence models

Challenge:

• Some industry-standard turbulence models were not supported.

• Turbulence characteristics were defined multiple times in the UI.

• Manual data entry prone to error, which can lead to convergence difficulties.

Solution:

• The RNG k-e, Realizable k-e, and Spalart-Allmaras turbulence models are now

supported.

• Turbulence characteristics are defined in a new modeling object, which can be

reused.

• UI modifications improve workflow and significantly reduce potential for error

• Can now define turbulence characteristics based on intensity and viscosity

ratio

• General improvements to turbulence model treatments improves solver

accuracy and robustness.

Extended support to three new advanced turbulence models.

Improved workflow for specification of turbulence

characteristics.



Simcenter 3D Motion 2019.1Our Focus

New Features

• Transmission Builder

• Real-time Solver

• Motion Time Waveform Replication (TWR)

• Flexible Bodies: Automatic Flex

• Animation features: Animation Camera

Enhancements

• Submechanisms: Override, Remapping of geometries

• Flexible Bodies: Flexible Contacts, Point On Flex Curve, Custom Mass

Properties, Modal Damping, Support to Abaqus format

• Motion Results Viewer: Curve Operations, Additional Data Sources, Data

Export

• Model Definition File (MDF) format extensions

• Automatic model translation from LMS Virtual.Lab Motion

• Usability enhancements



Simcenter 3D Transmission BuilderEfficient model creation and simulation of gear and transmissions

Challenge:

• High effort to create and parameterize Transmission

simulation models

• Inefficient processes for model updating

Solution:

• New gearbox-centric application (on top of Simcenter 3D) to

create Multibody Models automatically

• Adhering to Industry standard parameters.

• Supports the advanced solver methods. Simulation of gear

forces as accurate as non-linear Finite Element Analysis,

but orders of magnitude faster.

Automated Creation of Multibody Models of

Transmissions Based on Industry Standards



Simcenter 3D Motion Real-time SolverSolve faster or use models in a Real-time environment

Challenge:

• Rebuilding models for Hardware-in-Loop testing, or

sharing models for 3rd party platforms

➔ Time and resources to recreate models

➔ Duplicate models with less parameters induce

uncertainty between models and/or parameters

Solution:

• Proven performance from LMS Motion Real-time to

Simcenter 3D Motion. Ccode solver allows for model

integration to Real-time platforms:

➔Reuse Simcenter models for Real-time

➔No model reduction

➔Produce results faster, for DOE or office processes

Real-time model performance from the Siemens NX platform

with Simcenter 3D Motion for external Real-time Platform

3D 1D

Reporting/FMU

Customer desired integrating

environment

(platform specific or Matlab)

Real-time platform

with hardware IO

Simcenter 3D models



Simcenter 3D Motion TWRTime Waveform Replication

Challenge:

• Getting accurate loads of new parts early in development cycle when no

physical prototype is available – only test data from predecessor vehicle

is available.

• High fidelity Multi-Body model and Tire model data is not yet available.

Solution: Simcenter 3D Motion TWR

• Predict the loads on system, sub-system & components from any set of

measured data.

• Capture Test conditions through Hybrid road approach, without the

need for high fidelity tire models.

Accurate Loads Prediction for Durability Analysis

Measurement (Red)

Simulation (Blue)



Motion: Flexible Body EnhancementsAutomatic Flex

Challenge:

• Currently several modeling steps are

required to make a body flexible, also

involving other Simcenter 3D applications

(Pre/Post)

Solution:

• A dedicated interface guiding any Motion

users to make a body flexible through a

full automatic process

New flexible bodies with few mouse clicks



Motion: Animation Camera

Challenge:

• Motion objects moves out of view from Model window

• Object block view of mechanism behavior

Solution:

• New Animation Camera can follow Motion bodies; optional

camera attached body and target attached body.

• Multiple cameras can animate at one time using multiple

display and multiple Animation Camera elements

• Clipping is available

Create cinematic videos or focus on a desired

mechanical detail during animation



Motion: Geometry Mapping for SubmechanismsReferencing existing geometry from assembly structure

Challenge:

• As currently implemented, the Motion Submechanism

feature creates duplicated components in the Assembly

Navigator structure:

➔ more complex assembly structure

➔ potential issues with File Management systems

Solution:

• New option “Use Geometry Mapping” with selection of

existing Motion mechanisms from any components in the

Assembly Navigator:

➔ no more duplicated components in the assembly

structure.

Easy creation of submechanisms based on

existing CAD components



Motion: Flexible Body EnhancementsFlexible Contacts & Point On Flex Curve constraints

Challenge:

• Simulate contacts where the actual contact area deforms

under contact loads

• Analyze stress distribution due to contact

• Overcome the current limitation of the Point On Curve

constraint to rigid curves

Solution:

• Extension of the Contact type list to flexible bodies

• Extension of the Point On Curve constraint to deforming

curves defined on flexible bodies

Increasing the accuracy of simulations

with contacts between flexible parts



Motion: Flexible Body EnhancementsMass Matrix & Frequency Dependent Modal Damping

Challenge:

• Mass properties of flexible bodies are calculated from a

modal analysis and cannot be edited by the Motion user

• Modal damping values can be defined only as constant

for all modes or different for each single mode

Solution:

• Edit flex body mass properties from the Motion

application, without need of any new modal analysis

• Specify modal damping values as function of modal

frequency

Additional capabilities for fine tuning of

flexible body properties (mass, damping)



Simcenter 3D Design Space Exploration

Simcenter 3D Parameters:

• Created in NX CAD (geometry)

• Created or modified through Simcenter Synchronous

Technology (geometry)

• Created in Simcenter 3D (properties, materials, …)

Simcenter 3D Responses:

• Any CAE result stored in the Simcenter 3D result data base

• From Siemens own solvers or third parties

Simcenter 3D Design Space Exploration Tool:

• Automatize CAE process

• Provides SHERPA library of algorithms for fast design space

exploration strategy



Simcenter 3D Design Space Exploration

Design Space Exploration

• New Simcenter 3D Design Space Exploration

product available.

• Available immediately through Simcenter 3D

tokens.

Design Variant Number

Baseline Design

18% reduction in mass

All constraints satisfied

Improved Design

Initial mass too high

Some constraints non satisfied

• New Simcenter 3D Design Space Exploration product available.

• Available immediately through Simcenter 3D tokens.



Discover Better Designs, Faster

Best composite lay out ?

Composites

Optimal geometry ?

Structural Analysis

Which Modes to damp ?

Acoustics

Where to place fan, heat sinks?

Thermal flow

How to minimize heat power ?

Heat transfer

Minimum camber angle variation ?

Motion

How easy is it for you to answer these questions today?

Would it help if this process was simpler and faster?



New ties to the digital thread

Aero-acoustics with

STAR-CCM+

Flexible Pipe with NX

Routing

Delivering unique

value through

integration



Simcenter 3D Acoustics with STAR-CCM+

for aero-acoustics & aero-vibro-acoustics

Benefits

• Improve cabin comfort in automobiles, aircraft and trains.

• Reduce industrial noise generated by flow from pumps and

fans

How?

• Efficiently account for spatial variations in the acoustic

properties of the fluid throughout your model

• Import fluid loads based on flow analysis in STAR-CCM+

Efficiently explore and eliminate the source of

unwanted noise originating from air flow



Benefit

Challenge

Solution

Customer Application: European Auto OEM

Wind noise load generation

Need to translate loads calculated in CFD

into loads required for vibro-acoustic

analysis. Currently takes 100 hours with

customer’s in-house tool.

Introduce Simcenter 3D 2019.1 workflow to

efficiently prepare loads for structural and

vibro-acoustic simulation with advanced

mapping

• Simcenter 3D took 6 hours vs. more than

100 hours.

• 5x smaller load data file.

• Ability to visually inspect load conditions

Performance Data Size Inspection

Pre

vio

us W

ork

flo

w

Pre

vio

us W

ork

flo

w

Not possible in previous

workflow

Co

mp

uta

tio

n T

ime

Lo

ad

Siz

e in

Dis

k

>15x

Speed-up

>5x Load

Compression

From blind to

visualization



Simcenter 3D Flexible Pipe electrical cable analysis

with NX Routing

Benefits

• Study how an electrical wire harness will bend and move

within your assembly with Simcenter 3D Flexible Pipe.

• More accurate modeling of electrical cables including

interaction between all cables, external taping, contact,

and possible section distribution changes

How?

• Seamlessly import stocks from NX Routing

• New material laws to predict nonlinear deformation of

electric cables and perform accurately clearance analysis

Achieve deeper insight into how your wire

harness will behave in a moving mechanism



Flexible Pipe: Material Identification

Challenge:

• Electric cables are, by nature, subject to plastic deformation

during mounting and successive/repetitive movements

• When idealizing sub-harness as an equivalent cable, material

properties must be accurately identified

• Only linear material were available through a ‘position in space’

identification process.

Solution:

• Capturing Plastic behavior with new material laws

• Identification from hysteresis load curves

• Virtual experimentation to identify bundles

• Identification Database (Material + model)

Plasticity for Electric Cables and Wire Harness to

perform clearance analysis and predict deformation

shapes due to repetitive movements



A new path forward

An efficient, integrated

environment for solutions

previously in LMS

Virtual.Lab

Specialist durability

Test-analysis correlation



Simcenter 3D Specialist Durability

Benefits

• A specialist tool to handle complex loadings, weldments,

composites and manufacturing influence on product.

• Easily handle and manage complex duty cycles including load

event-based durability workflow.

How?

• Auto detection of direct and indirect seam welds coupled with

efficient weld fatigue solver. Import of xMCF files.

• Durability scenario based post-processor to intelligent filtering

of results and failures.

LMS Virtual.Lab Durability solutions now

available in Simcenter 3D



Simcenter 3D Correlation

Benefits

• Easily define and validate cost-effective modal tests.

• Identify best sensor and exciter locations for an efficient

and effective pre-test analysis.

How?

• Simcenter Testlab data exchange, including named nodes.

• Powerful and intuitive algorithms to align simulation and

test model with different origin, scale and orientation.

• Integrated matrix and mode shape plots.

A quantitative and qualitative solution to

guarantee high fidelity simulations



Additional changes

Solver name branding

Faster release cadence

Delivering new

solutions faster



New names,

Same great solvers

The primary solver for structural analysis:

• Linear

• Nonlinear

• Dynamics

• Acoustics

• Topology optimization

SamcefSimcenterNastran

SimcenterSamcef

The primary solver for composites:

Progressive damage simulation

• Classic failure criteria: critical ply, value, load

case

• Inter- or intra-laminar damage modeling

Manufacturing simulation

• Curing analysis (spring-back)

• Effects on mechanical performance



New Simcenter 3D release every 6 months

Benefits

• Increased responsiveness to new ideas and trends

• Consistent schedule for updates allow you to better plan

adoption of new technologies

How?

• New Simcenter 3D release every 6 months with major

functional enhancements.

• Incorporating agile development principles.

Receive functional enhancements faster to

boost your productivity



Simcenter 3D

3D CAE for the digital twin

Multidiscipline integration

Faster CAE process

Open and scalable

Tied into the digital thread

Teşekkürler

Dr. Akgün Kalkan, INORES

Unrestricted © Siemens AG 2019 Realize innovation.

Documents

Simcenter 3D 2019.1. Release Highlights Dr. Akgün ... - NX · Page 21 Siemens PLM Software Simcenter 3D Aerostructures with composites Benefits •Margin of safety methods can now