The main scope of AIM, the relatively new product of ANSYS, is to make simulations accessible to every engineer by simplifying the design process. It offers integrated multi-physics solutions in a completely new simulation environment which facilitates the design workflow. AIM was launched in version 16, offering limited, entry-level capabilities. However, it is continuously enriched with further tools & options allowing it to solve more challenging models as well. The present work explores the capabilities of Space Claim & AIM in preparing and solving a demanding multi-physics model of a superconducting accelerator magnet.

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Excellence through Engineering Simulation

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Why FEAC?
Excellence through Engineering Simulation
Product Development through
Simulation Technology.
i) Outsourcing Consultancy
ii) Software Development
Specialization
Magnets
Marine
Renewable Energy Sources
Aerospace & Aeronautics
Automotive
Construction
Oil & Gas
Industries served:
“Converge to the optimum”
Industry
Universities
Research Centers
Clients / Partners:
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Why FEAC?
Because ...
Software
Development
Track Record
Team
Awards
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1 Worldwide
3 National
Specialized
&
Experienced
Engineers
(6 M.Sc., 5 Ph.D.)
PITHIA: Innovative Simulation tool
World-famous clients

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Team
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Partners
Credentials

5. FEAC’s Core Business
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• Static/Transient Structural,
• Thermal Analysis
• Modal and Buckling Analysis
• Crash Analysis
• Fatigue Analysis
• Advanced Materials
Multi-physics FEA
(Finite Element
Analysis)
• Wave scattering problems
• Fluid Structure Interaction
• Electromagnetics
• Fracture Mechanics
• Wave propagation
BEM
(Boundary
Element Method)
Our ServicesFEAC has been awarded for its expertise in Engineering Simulation
• Parametric 2D/3D part -
Surface Design
• Assembly Design
• Kinematic Analysis
• Manufacturing drawings
• Rendering
CAD
(Computer Aided
Engineering)
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• Heat transfer
• Turbulent & Laminar flows
• Fluid Structure Interaction
(FSI)
• Multiphase flows
• Turbomachinery
• Corrosion
CFD
(Computational
Fluid Dynamics)
• Design & integration of
sensor networks
• Structural & data analysis
• Structural identification
• Coupled FEA model with
SHM data
SHM
(Structural Health
Monitoring)

7. FEAC’s Core Business
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• Particle Sizing
• Ultrasonics
Wave
Scattering
• Underwater Acoustics
• Noise prediction
• Vibroacoustics
Acoustics
PITHIAIn-house developed FEM/BEM-based Software
Wave
propagation
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• Heat transfer
• Steady & Laminar flows
• Fluid Structure Interaction
(FSI)
• Multiphase flows
• Turbomachinery
• Corrosion
Electromagnetism Fracture
Mechanics

9. High Accuracy Results
10 Times Faster
PITHIA
Parallel Computing
Process
HPC -Cloud Based
Platform
Low Computational
Needs
Intuitive GUI
Parametric Design
Geometry Creation
10 Times Bigger Models
Embedded Python Shell
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PITHIAIn-house developed FEM/BEM-based Software

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Design Engineering and Easy Multiphysics Simulation
…the next generation multi-physics software from ANSYS.
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Why AIM?
“Simulation for every Engineer”
Solvers
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SpaceClaim
Integrated
Geometry Modeling
Design Of Experiments
Design Space
Optimization
Optimization
Fluid - Thermal
FSI
Magnetic-Thermal
Fluid-Solid Heat Transfer
Integrated
Multi-physics
simulation
Fluent
Structural
Electromagnetic
Thermal

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Case Study:
Design & Multi-physics analysis of a superconducting magnet
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Design Magnetic Analysis Structural Analysis
Steps…
Excellence through Engineering Simulation
• Parametric Design
• Preparation for simulation
• Drawings
• Rendering
• Ramp-up to a magnetic field
gradient of 145 T/m
• Welding of outer shell
• Pre-stress
• Cool-down to 4K
• Rigidity of the structure at
operating conditions

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SpaceClaim
Direct Modeler
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Parametric
Design

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SpaceClaim
Direct Modeler
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Preparation
for simulation

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SpaceClaim
Direct Modeler
Drawings
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SpaceClaim
Direct Modeler
Rendering
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SpaceClaim
Direct Modeler
Rendering
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Magnetostatic
Analysis
3D Maxwell Solver
Enclosure
(1 multi-
body part
for the
whole
structure)
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Magnetostatic
Analysis
3D Maxwell Solver
Non-Linear
Material
Properties
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Magnetostatic
Analysis
3D Maxwell Solver
Excitation
(Current)
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Magnetostatic
Analysis
3D Maxwell Solver
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Results:
Contour Plot

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Magnetostatic
Analysis
3D Maxwell Solver
Results:
Vector Plot
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Structural Analysis
Geometry
import with
multi-body
Parts
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Structural Analysis
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Mesh

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Structural Analysis
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Mesh
Operations

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Structural Analysis
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Final mesh
with
dropped
mid-side
nodes

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Structural Analysis
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Mesh
Diagnostics

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Structural Analysis
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Multi-step
analysis

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Structural Analysis
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Linear
&
Non-linear
contacts

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Structural Analysis
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Linear
&
Non-linear
contacts

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Structural Analysis
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Results
Loadstep 1:
Welding &
Pre-stress

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Structural Analysis
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Results
Loadstep 1
Convergence

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Structural Analysis
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Results
Loadstep 2
Cool-Down @4K

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Structural Analysis
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Results
Loadstep 3
Operating

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Structural Analysis
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Results
Loadstep 3
Operating

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Structural Analysis
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Results
Loadstep 3
Operating

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38Design space -
Optimization
Yoke ± 3,8 μm
Collar ± 6,3 μm
Angle of loading plate ± 0,2°
Coil (outside diameter) ± 75 μm
Coil (azimuthal length) ± 50 μm
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• The sensitivity analysis is conducted by utilizing the
DOE method (Design of Experiments) which
determines sampling points on a response surface
• About 8 input parameters have to be checked
• About 100 variations of the model have to be run

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Optimization
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Coil’s azimuthal length:
Δl = 0.1 mm  Δσmax ≈ 25 MPa
Coil’s outer diameter:
Δd = 0.075 mm  Δσmax ≈ 15 MPa The dimensional tolerances on the coil size play the
most important role on the maximum coil stress level

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• The dimensional tolerances on the coil size play the most important role on the maximum coil stress level

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their costs during the development stage”
“To be the best in making complexity possible through engineering
simulation”
Our Vision
Our Mission
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FEAC Engineering P.C.
61, Aystralias Str., Patras, Greece
Contact Us
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44, Kifisias Ave., Athens, Greece

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Excellence through Engineering Simulation