JMAG-Designer

Acceleration of Shape Search for Axial Flux-Switching Motors with Surrogate Models

Yuto Kimura, YANMAR HOLDINGS CO.,LTD.

• Applications: Axial Gap Type Motor and Motor
• Physical Phenomena: Magnetic Field
• Technical Themes: Design Exploration / Optimization and Large-Scale Processing

Large-Scale Analysis of High-Efficiency Induction Motor for Railway Traction Applications

Hiroshi Yoda, Railway Technical Research Institute

• Applications: Induction Motor and Motor
• Physical Phenomena: Magnetic Field
• Technical Themes: Large-Scale Processing and Material Modeling / Loss Analysis

Importance of Wide-Band Support in Motor Loss Evaluations – Measurements and Analyses Accounting for Ringing Loss

Masakazu Akahane, HIOKI E.E. CORPORATION / Hiroyuki Sano, JSOL Corp.

• Applications: IPM Motor and Motor
• Physical Phenomena: Circuit / Control and Magnetic Field
• Technical Themes: Material Modeling / Loss Analysis and MBD

Combining FEM-Based Torque Ripple and Switching Inverter Dynamics for Electric Drive Controller Validation on Speedgoat Test Systems

Lu-Dac, Speedgoat GmbH

• Applications: IPM Motor, Motor, and SPM Motor
• Physical Phenomena: Circuit / Control and Magnetic Field
• Technical Themes: MBD

[L-HT-217] Modeling Forced Air Cooling

This case study simulates a forced air cooling system inside an induction machine using two different types of fans. The results illustrated how different airflow rates of the fan…

• Applications: Induction Motor and Motor
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Material Modeling / Loss Analysis and Multiphysics

[L-OP-211] Offline Optimizations Using Surrogate Models

This case study runs an offline optimization to explore the optimal geometry for an axial gap motor to maximize average torque and minimize losses. A constraint condition anticipa…

• Applications: Axial Gap Type Motor and Motor
• Physical Phenomena: Magnetic Field
• Technical Themes: Design Exploration / Optimization

[L-HT-210] Evaluation of Temperature Variations in Motor Parts During the Drive Cycle

OverviewMotor development must pursue a wide range of performance and other requirements from greater miniaturization, higher efficiency and heat management to reductions in costs…

• Applications: IPM Motor and Motor
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Multiphysics

[L-OP-190] Standalone Simulations to Evaluate Magnetic, Thermal, Structural, and Control Designs

This case study runs an optimization on the initial nabla-shaped IPM drive motor design to maximize torque and minimize magnet mass for greater fuel economy during the WLTC drive …

• Applications: IPM Motor and Motor
• Physical Phenomena: Magnetic Field, Structural, and Thermal
• Technical Themes: Design Exploration / Optimization and Multiphysics

[JAC311] Analysis of Impedance-Frequency of Chopper Inductors

This case study explains modeling for frequency characteristics of impedance and loss using laminated and spiral-type chopper inductors.

• Applications: Transformer / Reactor
• Physical Phenomena: Magnetic Field

[L-HT-203] Efficiency Map Evaluations Accounting for Continuous Operation Characteristics

This case study creates an efficiency map for the continuous operation of a nabla-shaped IPM motor that takes into account the temperature constraints. The analysis shows the moto…

• Applications: IPM Motor and Motor
• Physical Phenomena: Magnetic Field and Thermal
• Technical Themes: Efficiency Map

[JFT197] Eddy Current Loss Analysis of Motor Magnets Using the Zooming Method

This tutorial describes the procedures to run a multi-stage analysis using the vector potential boundary condition to obtain the eddy current losses.

[L-SE-194] Many-Case Distributed Calculations: Performance of Large-Scale Optimization

Optimization with many design variables requires exploring a large design space, leading to increased computational cost. In these scenarios, leveraging distributed processing on …

• Physical Phenomena: Magnetic Field
• Technical Themes: Design Exploration / Optimization

[L-HU-193] Performance of Highly Parallel 3D Calculations for Virtual Prototyping

Achieving virtual prototyping demands high-fidelity 3D models with well over a million elements. This level of detail leads to long calculation times, which makes using parallel s…

• Applications: Magnet
• Physical Phenomena: Magnetic Field
• Technical Themes: Large-Scale Processing

[JFT209] Thermal Design in JMAG-Express Using Custom User Geometry

This tutorial describes the procedures to apply an analysis template for design scenarios to a model created in JMAG-Designer, and then run an evaluation of the motor performance.

[W-MU-204] Thermal Analysis Validation with Measurements for a Water-Cooled PMSM

To solve this problem, this paper adopts a method that combines the Finite Element Analysis (FEA) and a thermal equivalent circuit.

• Applications: IPM Motor and Motor
• Physical Phenomena: Thermal
• Technical Themes: Multiphysics

[L-MB-202] Driving the Future with Precision -JMAG powers the complex motion of humanoids-

To achieve smooth and powerful motion that closely resembles the movement of human joints, including the neck, shoulders, elbows, wrists, fingers and hips it is essential to accur…

• Applications: Coreless Motor, IPM Motor, Motor, and Stepper Motor
• Physical Phenomena: Circuit / Control, Magnetic Field, Structural, and Thermal
• Technical Themes: Material Modeling / Loss Analysis, MBD, and Multiphysics