Magnetic Constraint Apparatus for Planar Model Deformation
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Solution Overview
Problem
Conventional methods for constraining normal deformation of plane models in laboratory experiments using rigid transparent baffles face challenges such as uneven tightening forces, increased stress on the experimental model, and complex assembly processes, which hinder accurate stress field distribution analysis and visual observation of deformation phenomena.
Innovation Solution
A transparent device utilizing magnetic components, including active and passive magnetic components with U-shaped and H-shaped structures, is employed to symmetrically constrain the plane model between two rigid transparent baffles, reducing additional stress and simplifying the assembly process by using magnetic attraction to clamp the model.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If bolts are used to fix the rigid transparent baffles, then the baffle can be securely mounted, but uneven tightening forces generate additional stress on the experimental model
Solution Approach 1:
The patent replaces the mechanical bolt-tightening system with a magnetic field-based constraint system. Magnetic components are embedded in the rigid transparent baffles to generate magnetic attraction forces that constrain the model without requiring mechanical fastening, thereby eliminating uneven tightening stresses while maintaining secure mounting.
2Strength
If multiple bolts are used to ensure even constraint, then mounting security improves, but the assembly process becomes more complex and time-consuming
Solution Approach 1:
The patent replaces multiple mechanical bolts with magnetic components embedded in the baffles. The magnetic fields automatically distribute constraint forces uniformly across the model surface without requiring complex multi-bolt assembly procedures, significantly simplifying the assembly process while maintaining constraint uniformity.
Solution Approach 2:
The magnetic components automatically adjust and distribute the constraint forces uniformly across the model surface without requiring manual adjustment of multiple bolts. The magnetic field naturally seeks equilibrium, providing self-adjusting uniform constraint that eliminates the need for complex assembly and adjustment procedures.
3Stability of the object's composition
If rigid transparent baffles are used to constrain deformation, then the plane strain condition is achieved, but visual observation of stress and deformation phenomena becomes impossible
Solution Approach 1:
The patent uses transparent materials for the baffles to maintain optical transparency in the regions where visual observation is needed, while embedding magnetic components in specific locations to provide the necessary constraint function. This localized differentiation allows both transparency for observation and magnetic constraint to coexist.
4Stability of the object's composition
If conventional baffle mounting methods are used, then the model can be constrained, but the assembly process takes a long time due to complex mounting steps
Solution Approach 1:
The patent replaces complex mechanical mounting steps with simple magnetic component embedding in the baffles. The magnetic components are integrated into the baffle structure during manufacturing, eliminating the need for time-consuming on-site assembly of multiple bolts and adjustments, while maintaining effective constraint.
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 solution allows for accurate and visual representation of stress field distribution and deformation evolution in plane strain conditions, reducing the complexity and time required for assembly while minimizing additional stress on the experimental model.
Implementation Method 1
magnetic components which are mounted at the two rigid transparent baffles respectively and able to be attracted by each other
Data Source
AI summary
A transparent constraint apparatus for the normal deformation of a planar model, including rigid transparent retainer plates, a planar model, and magnetic force components. The magnetic force components are provided at edge positions of the rigid transparent retainer plates; the normal direction of the planar model is parallel to the normal direction of the two rigid transparent retainer plates, and said two retainer plates are symmetrically arranged relative to the plane of symmetry of the planar model; the magnetic force components are symmetrically arranged relative to the plane of symmetry of the planar model, mutually symmetrical magnetic force components producing mutually attractive magnetic force. The transparent constraint apparatus solves the problem of constraining the normal deformation of a planar model under planar-strain conditions during testing.