G06F2113/24

Electric machine, tuned winding geometry and technology and related methods

An example method of producing an electric machine is described herein. The method can include providing the electric machine. The electric machine can include a rotor and a stator, where the stator includes a magnetic core and a stator winding. Additionally, the magnetic core can include a plurality of teeth defining a plurality of slots between adjacent teeth. The stator winding can also include a first portion arranged inside a slot and a second portion arranged outside the slot. The method can further include optimizing, using a computing device, a geometry of the first portion of the stator winding, where the first portion of the stator winding in the provided electric machine has the optimized geometry.

AUTOMATED STAMPING PART DESIGN
20230119067 · 2023-04-20 · ·

A stamping part design method including obtaining a first B-rep model having a 3D boundary curve formed by boundary-curve edges and obtaining a first and second value representing a g1-continuity and a g2-continuity extrapolation length requirement. The method includes determining a second B-Rep model comprising an extrapolation of the first B-Rep model and presenting at least a g2-continuity over a length of the extrapolation patches equal to the second value and then at least a g1-continuity over a length of the extrapolation patches equal to the first value. The determination of the second B-Rep model includes partitioning the boundary-curve edges into first groups of consecutive first boundary-curve edges, and second groups of consecutive second boundary-curve edges and applying a surface-extension operator to each first group and filling the gaps. This forms an improved solution of stamping part design.

Method for transferring a stress state (stress sensor) of an FE simulation result to a new FE mesh geometry of a modeled construction system in a simulation chain of production operations

The invention relates to a method for transferring a stress state of an FE simulation result to a new FE mesh geometry of a simulated construction system, such as a component for motor vehicles that has a 3-D shape, in a simulation chain of production operations, comprising: a) providing a first data set, which describes the FE simulation result with a stress state of the FE simulation of the construction system or component of a first production operation, b) creating the new FE mesh geometry of the simulated construction system or component, which new FE mesh geometry is associated with a second production operation, c) transferring the stress state of the provided first data set to the new FE mesh geometry of the construction system or component, d) performing an equilibrium calculation by using the stress tensor in the FE mesh geometry, wherein deformation of the construction system or component results, which deformation differs from the deformation in the FE mesh by a shape alteration u>tolerance value ε, e) iteratively repeating the equilibrium calculation as a cyclic equilibrium iteration in the new FE mesh geometry (in the new target FE mesh) of the construction system or component, wherein, in each cycle, a new stress state is applied to the FE mesh geometry of the construction system or component and stress components that lead to undesired shape alterations are decreased until a displacement/termination criterion of shape alteration u<tolerance value ε is achieved, and f) displaying the fulfilled condition of u<ε.

DESIGN OF APPARATUS FOR TEMPERING CURVED GLASS SHEETS
20230159369 · 2023-05-25 · ·

A method for designing a quench box having first and second blastheads for tempering at least first, second and third sheets of glass each having a different shape is disclosed. The method comprises (i) using the shape of at least the first and second sheets of glass to calculate a first average surface; (ii) using the first average surface to calculate a quench surface of first and second quench modules of the first blasthead; (iii) using the first average surface to calculate a quench surface of a first quench module of the second blasthead; and (iv) using the shape of at least the third sheet of glass to calculate a quench surface of a quench module that replaces a quench module of the first and second blastheads when used to temper the third sheet of glass.

System and method for bending and unbending complex sheet metal bend regions

Product data management (PDM) systems, methods, and computer-readable media. A method includes receiving a solid body in a PDM data processing system. The method includes determining an operation to perform on the solid body and a target region of the solid body. The method includes moving the target region into a secondary solid body and removing the geometries from the secondary solid body. The method includes generating new geometries corresponding to the operation and the secondary solid body, and applying the new geometries to the topological entities of the secondary solid body. The method includes transforming the adjoining regions to a new position according to the operation. The method includes knitting the transformed adjoining regions to the modified secondary solid body to produce a processed solid body.

METHOD FOR PRODUCING COMPOSITE COMPONENTS HAVING AN UNDEVELOPABLE SURFACE
20220332063 · 2022-10-20 ·

Method for producing composite components having an undevelopable surface. To be able to maintain the tolerances when manufacturing especially large components in the case of composite components with undevelopable surfaces, it is proposed according to the invention to drape a cut-to-size blank on a molding tool and to determine the deviation of the cut-to-size blank edge from the setpoint cut-to-size edge. Then, on the basis of the deviation, a new cut-to-size blank edge is calculated, and a new cut-to-size blank is created and re-draped for examination purposes. The method is repeated until the deviations are below a tolerable threshold value. The method is furthermore carried out for each textile ply of the composite component.

SHAPE CHANGE PREDICTION METHOD FOR PRESS FORMED PART

A shape change prediction method for a press formed part predicts a shape change of the press formed part over time after springback at a moment of a release from a press-forming die, and includes: a shape/residual stress immediately after the springback acquisition step of acquiring a shape and a residual stress of the press formed part immediately after the springback by a springback analysis of the press formed part; a residual stress relaxation/reduction setting step of setting a value of a residual stress relaxed and reduced from the acquired residual stress to all bent portions or a part of the bent portions in the press formed part immediately after the springback; and a shape analysis step of determining a shape in which moments of force are balanced for the press formed part in which the value of the residual stress relaxed and reduced in the bent portions is set.

Augmented reality-based ply layups on a composite part layup tool

A system may support augmented reality (AR)-based layup of plies to form a composite laminate. The system may include an AR headset configured to drive an AR view that digitally visualizes ply placement data on a composite part layup tool physically visible through the AR headset. The system may also include an AR ply layup engine AR ply layup engine configured to analyze a view of the AR headset to identify the composite part layup tool, obtain ply placement data, and provide ply placement data to the AR headset to digitally overlay on the composite part layup tool physically visible through the AR headset.

Method for the design and efficient manufacture of fiber-composite parts

A method for designing fiber-composite parts in which part performance and manufacturing efficiency can be traded-off against one another to provide an “optimized” design for a desired use case. In some embodiments, the method involves generating an idealized fiber map, wherein the orientation of fibers throughout the prospective part align with the anticipated load conditions throughout the part, and then modifying the idealized fiber map by various fabrication constraints to generate a process-compensated preform map.

METHOD AND SYSTEM FOR TRIMMING INTERSECTING BODIES IN A COMPUTER-AIDED DESIGN ENVIRONMENT

A method and system for trimming intersecting bodies of a geometric model in a computer-aided design environment is disclosed. In one embodiment, a method includes determining a plurality of bodies of the geometric model intersecting with each other. The method includes computing volume of one or more intersecting bodies in the geometric model to be trimmed from the geometric model. Also, the method includes determining a trim offset value for at least one intersecting body in the geometric model and recomputing the volume of the at least one intersecting body in the geometric model which is to be trimmed from the geometric model based on the trim offset value. Moreover, the method includes generating a modified geometric model by performing a trim operation on the volume of the one or more intersecting bodies of the geometric model.