Weld Heat Source Parameters for Target Seam Geometry
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Solution Overview
Problem
Existing methods for determining heat source parameters for creating a welded seam between two plates require user expertise in numerical simulation, making it challenging for users skilled in welded seams but not in simulation to obtain desired spatial characteristics.
Innovation Solution
A method that involves receiving desired spatial characteristics, determining samples of heat source parameters through simulation on a three-dimensional mesh, extrapolating points to find a target point with desired characteristics, and iteratively refining the parameters to achieve the desired seam, which can be automated and does not require specific knowledge of numerical simulation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If manual iterative simulation method is used to determine heat source parameters, then manufacturing precision of welded seam spatial characteristics is improved, but ease of operation deteriorates due to requiring numerical simulation expertise
Solution Approach 1:
The patent introduces an automated computer-implemented method as an intermediary between the user and the complex numerical simulation process. The system automatically performs iterative simulations, adjusts heat source parameters, and determines optimal values without requiring user expertise in numerical simulation, thus maintaining manufacturing precision while improving ease of operation
Solution Approach 2:
The system performs self-service by automatically executing the iterative simulation process, parameter adjustment, and result determination without human intervention in the technical steps. The computer system independently manages the complex numerical simulation tasks that previously required expert user involvement
2Manufacturing precision
If manual iterative simulation method is used to determine heat source parameters, then manufacturing precision of welded seam spatial characteristics is improved, but productivity deteriorates due to time-consuming manual iterations
Solution Approach 1:
The system performs preliminary actions by pre-defining the iterative simulation process, parameter adjustment rules, and evaluation criteria before execution. The automated system prepares and runs multiple simulation iterations in advance, quickly determining optimal parameters without requiring manual step-by-step intervention, thus improving productivity while maintaining precision
3Ease of operation
If automated method is used to determine heat source parameters, then ease of operation and productivity are improved, but device complexity increases due to requiring simulation software and processing system
Solution Approach 1:
The patent implements a universal computer-implemented system that integrates multiple functions: user interface for receiving desired characteristics, automated iterative simulation engine for parameter determination, and output generation for controlling the heat source. This multi-functional system consolidates complex operations into a single versatile platform that improves ease of operation despite the inherent complexity of the underlying simulation processes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This method provides a robust and reliable way to determine heat source parameters for creating a welded seam, allowing for automation and eliminating the need for user expertise in numerical simulation, resulting in efficient and accurate parameter supply.
Implementation Method 1
determining a value of each spatial characteristic of the welded seam from the values of parameters of the heat source by simulation on a three-dimensional mesh of the two plates. A thermomechanical solver with transient calculation is usually used for the simulation
Implementation Method 2
a heat source intended to create a welded seam between two plates
Data Source
AI summary
This method comprises: receipt of a desired value of at least one spatial characteristic of the welded seam; determination of several samples of the parameters of the heat source; for each sample, determination of a value for each spatial characteristic of the welded seam for this sample; several successive iterations of the following steps: the determination of extrapolated points, from simulated points, determination of a target point, of the function, at which each spatial characteristic of the welded seam exhibits a value close to the desired value, and determination of a value for each spatial characteristic of the welded seam from the values of the parameters of the heat source for the target point, so as to obtain a new simulated point; and the supply of the values of the parameters of the heat source of the target point obtained in the last iteration.