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Transcript of Brochure Automotive En
8/6/2019 Brochure Automotive En
http://slidepdf.com/reader/full/brochure-automotive-en 1/24
SIMPACKAutomotive
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Content
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SIMPACK Automotive
Suspension Design
Virtual Component Test Rigs
Handling and Driving Dynamics
Powertrain and Driveline
Ride, Noise/Vibration/Harshness (NVH) and Durabilit
Sotware-in-the-Loop (SIL)
Real-time Applications/Hardware-in-the-Loop (HIL)
Specialised Multibody Simulation (MBS) Modelling
Elements
MBS Data Handling
SIMPACK Engine
SIMPACK Interaces
Customers working with SIMPACK Automotive
SIMPACK Compatibility
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SIMPACK Automotive
The SIMPACK Automotive product amily is
used or the dynamic analysis, prediction and
optimisation o all automotive mechanical
and mechatronic components and vehicles.
SIMPACK’s ability to simulate high-requency
vibration and harsh shock contact, in both the
requency and time domain, makes SIMPACK
Automotive the number one choice o leading
automobile manuacturers or ride and comort
analyses. Due to SIMPACK’s powerul solverand use o relative kinematics, extremely ast
and accurate calculations can be carried out,
rom low requency dynamic handling all the
way up to high requency durability studies.
SIMPACK also has an optimum connectivity
to control sotware and can even export entire
models as code or SIL and HIL applications.
The versatility and range o analyses with
SIMPACK Automotive are virtually limitless,
which translates directly to a huge potential
or reducing development costs. Consequently,
an ever-increasing number o automotive
manuacturers and component suppliers areturning to SIMPACK Automotive as their
preerred choice or multibody simulation.
The versatility and range o analyses
with SIMPACK Automotive are virtually
limitless.
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Acoustics
(e.g.
Brakes, Hydraulics)
Plastic Deormation, Abuse, Crash
Dynamic Loads, Durability
Comfort, NVH
(e.g.
Steering, Exhaust
System)
Secondary Ride (e.g. Oscillations
o Engine,
Transmission,
Driveline,
Subrames)
Primary Ride
(e.g.
Oscillations o
Suspensions)
Handling,HIL, SIL
(e.g.
Global Chassis
Movement)
Quasi-Statics
(e.g.
Suspension
Kin. and
Elastokin.)
Amplitude
Vehicle
Oscillations
Frequencylow
small
high
large
SIMPACK Automotive Application Areas
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Due to SIMPACK‘s transparent and simple
modelling structure, any type o single auto-
motive component and virtual test rig can be
set up by the user. Easy comparison and
validation (using virtual test rigs with real mea-
surements), enables users to carry out urther
optimisation, with condence, on well veried
virtual components. With SIMPACK substruc-
ture techniques, these veried components can
easily be used within more complex complete
system models, without additional modellingand verication eort. Application examples o
general automotive components within virtual
test rigs include:
Virtual Component Test Rigs
All components and vehicles can be easily
investigated in SIMPACK using virtual
test rigs.
Seat Rail Vertical
– Oil pump velocity sweep– Chassis mechanisms
– Steering shimmy test rig
– Single suspension transer unction
– Engine bearing test rig
– Exhaust system transer unction
– Truck cabin excitation test rig
– Driveline roller test rig
– Hydropulse test rig
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Handling and Driving Dynamics
Complete vehicle models are set up very e-
ectively, eciently and clearly using SIMPACK
Autmotive predened and parameterised com-
ponent models. With substructure techniques
all components can be exchanged easily with
user dened components in order to rene the
level o model detail. Standard open and closed
loop handling and driving dynamic simula-
tion scenario denitions (e.g. constant radius
cornering, lane change, sinusodial steering,
braking while cornering) are also available withpredened substructures.
Various vehicle confgurations and
manoeuvres may be easily set up in
SIMPACK or the simulation o handling
and driving dynamics.
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In order to adapt complete vehicle models and
associated simulation scenarios many SIMPACK
Automotive specic modelling elements are
available:
– Various tire models
– Tire characteristic test plots
– Track (road) defnition
– Curve superelevations
– Road height plan
– Single obstacles– Deterministic road irregularities
– Longitudinal and lateral vehicle
controller (driver model)
Result Comparison o Driving Dynamics Manoeuvre
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Powertrain and Driveline
SIMPACK Automotive oers a detailed library
o specialised powertrain and driveline com-
ponents. Thereore, complete, detailed vehicle
models can be set up in order to study the
complex 3D behaviour during engine-power-
train-driveline-vehicle interactions.
All associated modelling components are com-
patible and communicate with the SIMPACK
time domain solver in order to optimise solver
stability, accuracy and perormance or suchcomplete and complex ull vehicle models.
SIMPACK Powertrain and Driveline component
examples are:
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– Kinematic and elastic gear boxes with
non-linear stiness and clearance
(manual gear box, planetary gearbox,
dierential gearbox)
– Detailed gear wheel orce element with
position dependent stiness (parameter
excitation)
– Gear shit during simulation
– Gear wheel synchroniser element with
contacts and riction
– Universal and constant velocity joints– Flexible driveline shats
– Engine torque or gas orce based drive-
line excitations
– Driveline roller test rigs
For powertrain and driveline components,
SIMPACK oers a comprehensive element
library and extensive unctionalities.
Pull Away and Gear Shit
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Ride, NVH and Durability
SIMPACK’s solver is not only ideal or handling
high requency analyses (even into the acoustic
range) but also or investigations involving
extreme non-linear manoeuvres and harsh
shock contact, such as “idiot-starts” (sudden
clutch release), curb strikes, bridge jumping,
etc. With the additional SIMPACK NVH (Noise/
Vibration/Harshness) module, users may also
benet rom the powerul, time saving, linear
system analysis. Because SIMPACK enables easy
comparisons between linear and non-linearmethods, a user can always be assured o the
suitability o the chosen method.
Extreme non-linear manoeuvres and harsh
shock contact such as “idiot start“ and
bridge jumps are easily simulated using
SIMPACK‘s reliable solver.
Correspondence o Measured Data
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SIMPACK also enables atigue lie predictions
o virtual prototypes. The fexible components
may either be investigated as part o an entire
complex vehicle model or individually analysed
using virtual test rigs. Because the methods
using SIMPACK incorporate both the modal
coordinates and the time dependent reaction
orces, dynamic loading is also considered.
Using SIMPACK as the basis or durability
analysis (as opposed to a transient FE-analysis)
can save vast amounts o computation timeand resources.
Validation o Simulation Model
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Software-in-the-Loop (SIL)
A standard Inter Process Communication (IPC)
coupling enables SIMPACK users to easily
interace their models with other CAE sot-
ware or their own sotware code or advanced
mechatronic investigations. In addition to co-
simulation with MATLAB/Simulink®, users may
also take advantage o the MATLAB Real-Time
Workshop® and export entire parameterised
Simulink® models directly into SIMPACK. The
reverse approach may also be employed (de-
pending on the sotware emphasis) with entireparameterised SIMPACK models exported as
S-unctions directly into Simulink® or any other
simulation environment.
Several methods o interacing SIMPACK
to external programs enable users to
defne “best practice“ processes or SIL
applications.
Complex Car Model in SIL Environment
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Code Export enables SIMPACK models to be
exported to external platorms or SIL, MIL
(Man-in-the-Loop) and HIL (Hardware-in-the-
Loop) applications. Complex models created
or dynamic, ride and durability investigations
can also be used as the basis or real-time
applications. Thereore new SIMPACK elements
and methods have been specically developed
or real-time applications in order to achieve
the required computation speeds.
SIMPACK oers the unique approach to use
one common data source in order to para-
meterise ofine and online (real-time) MBS
models simultaneously. This saves vast amounts
o modelling and verication time.
Real-time Applications (MIL, HIL)
Entire parameterised SIMPACK models can
be exported as code or MIL/HIL use.
Driving Simulator – Courtesy o DaimlerChrysler AG
Complex Truck Model in HIL Environment
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– Physical parameter based requency and
amplitude dependent orce (bushing)
elements
– Measurement based (transer unction)
orce element description
– Stick Slip riction orce elements
– High requency comort and durability
tire orce elements
– Detailed air spring models
– Beam based lea springs with contact
and riction– User routines
Specialised MBS Modelling Elements
An extensive range o modelling elements
in SIMPACK enables high-end simulation.
In order to simulate high-end 3D MBS models
(with requency and amplitude dependent
behaviours or example) numerous specialised
MBS modelling elements are available within
the SIMPACK Automotive product amily.
These include:
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SIMPACK oers a data handling concept which
enables the user to organise and store MBS
model data in hierarchical, structured database
directories. By using model parameterisation
and substructures a clear separation o struc-
ture and parameterised data can be achieved.
In this way redundant data can be avoided and
development levels will be stored in terms o
associated parameter sets.
Whether carrying out analyses with highlydetailed models or ride investigations, or with
less complex models or HIL or SIL simulations,
common databases may be used.
MBS Data Handling
Model variants may be easily generated
and investigated by using the SIMPACK
database structure.
Model Database
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SIMPACK Engine
The SIMPACK Engine product suite may
also be easily used together with SIMPACK
Automotive.
SIMPACK Engine includes modelling elements
specically implemented or detailed engine
simulations covering single component analysis
to complete dynamically coupled engine
investigations. All engine components rang-
ing rom valve trains (dynamic valve springs,
elastic contacts, etc.) and timing mechanisms(chain, gearwheels, etc.) to crank trains (fexible
SIMPACK Automotive unctionalities may
be urther enhanced by SIMPACK Engine
which enables the simulation o complete
coupled engines.
crank shats, hydro-dynamic bearing, etc.) may
be easily incorporated. The use o SIMPACK
parameterisation and substructures enables
ecient and secure model creation. Due to
SIMPACK‘s common database structure and
modelling elements all SIMPACK models, e.g.
Automotive or Engine models, are completely
compatible and thereore may be easily inter-
connected and exchanged.
For more detailed inormation please reer tothe SIMPACK Engine brochure.
=++
SIMPACK Crank Train SIMPACK Valve Train SIMPACK Chain Drive SIMPACK Engine
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Hydraulic
FEA
SIMPACK’s versatility and excellent interaces
enable users to combine the core competence
o dierent sotware tools or optimum usage.
The strong interaces also enable SIMPACK to
be easily integrated into a company‘s already
established and proven development processes.
SIMPACK Interfaces
SIMPACK interaces to CAD, FEA, durabil-
ity, control and hydraulic programs urther
increase the range o SIMPACK‘s applica-
tion areas.
SIMPACK Interaces to:
CAD, FEA, Durability, Control, Hydraulic, etc.
Durability
CAD
Control
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Customers working with SIMPACK Automotive
SIMPACK is now the world leading multibody
simulation sotware or commercial vehicles
and the number one choice o leading auto-
mobile manuacturers or ride and comort
analyses.
“SIMPACK has enabled us to rapidly
enhance our dynamic simulation
capabilities with a level o versatility
which enables the use o ewer
core models. This, in turn, leads to
a more efcient design support
process and reduced response time
or track support tasks.“
Richard Frith, Midland F1 Racing Ltd.
United Kingdom
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“For almost ten years, SIMPACK has
been used at BMW Acoustics and
Vibrations Development. A modu-
larised database has been achieved,
which includes the whole range o
vehicles with all the dierent sub-
systems, e.g. engines, powertrains
and suspensions. The SIMPACK vehi-
cle model is part o the virtual car
process or design and evaluation o
vibration characteristics, such as ride
comort, powertrain, chassis and
body vibrations.“
Andreas Raith, BMW Group,
Germany
“Over the past ew years, SIMPACK
has become an important tool in
the development process o our
Mercedes-Benz vans and trucks.
With SIMPACK, we have the ability
to design vehicle models based on a
master model database or dierent
applications, or example or vehicle
driving dynamics, ride comort, drive
train vibrations, durability, braking
system layout, and the layout o
active systems.“
Joachim Pressel, DaimlerChrysler
Commercial Vehicles Division,
Germany
“MAN has been using SIMPACK since
the very frst version. Since then
SIMPACK has matured into an indis-
pensable tool or handling, NVH,
active control, and durability investi-
gations o both trucks and buses.
We consider both INTEC‘s nearby
location and its outstanding com-
petence in simulation technology to
be invaluable or productive coopera-
tion.“
Thomas Ille, MAN Nutzahrzeuge AG,
Germany
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SIMPACK Compatibility
SIMPACK Automotive oers users the power
and versatility to carry out an almost innite
range o analyses. Because all modules within
SIMPACK are 100% compatible, automotive
users can also benet rom SIMPACK develop-
ments originating out o other engineering
disciplines.
From mounting congurations o single com-
ponents to entire mechatronic vehicle analyses,
rom handling manoeuvres to high requency
durability studies, rom linear system analysis to
non-linear shock contact, rom co-simulation
to hardware-in-the-loop, SIMPACK Automotive
oers the complete, harmonised solution.
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I you would like additional inormation or
brochures please contact us or visit our web
at www.simpack.com.
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INTEC GmbH
Argelsrieder Feld 1382234 Wessling
Germany
Tel. +49 8153 9288-0
Fax +49 8153 9288-11
www.simpack.com