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Updated: Jan 7, 2026

Modeling and Experimental Analysis of the Single-Shaft Coaxial Motor-Pump Assembly in Electrohydrostatic Actuators
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雅科比-里茨公式用于对厚,异型和不均的电机定子组件的模态分析,考虑轴对称的振动模式

Panagiotis Andreou1, Amal Z Hajjaj1, Mahdi Mohammadpour1

  • 1School of Mechanical, Electrical and Manufacturing Engineering, Loughborough University, Wolfson Building, Ashby Rd, Loughborough, Leicestershire, LE11 3TU UK.

Meccanica
|December 29, 2025
PubMed
概括

一个新的模态分析框架准确地预测了复杂电机定位器中的振动. 这种高效的方法显著减少了噪声,振动和强度 (NVH) 分析的计算时间.

关键词:
分析的 分析的 分析的实验性的 实验性的雅科比 - 里茨 (Jacobie-Ritz) 是一个著名的酒店.模式分析 模式分析电压器 电压器

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In analyzing a thin-walled hollow shaft subjected to torsional loading, a segment with width dx is isolated for examination. Despite its equilibrium state, this segment faces torsional shearing forces at its ends. These forces are quantitatively described by the product of the longitudinal shearing stress on the segment's minor surface and the area of this surface, leading to the concept of shear flow. This shear flow is consistent throughout the structure, indicating a uniform distribution of...
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General Case of Eccentric Axial Loading01:12

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Unsymmetrical bending occurs when the bending moment applied to a structural member does not align with its principal axis. This misalignment leads to complex stress distributions and deflection patterns that differ from symmetrical bending, which are essential for designing structures to withstand different loading conditions.
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The torque-free motion refers to the movement of a rigid body in space when no external torques are acting upon it. This type of motion can be observed in environments where there are no external forces or frictions, like in outer space. For example, a rotation of Mars in space is a torque-free motion. Mars is an axisymmetric object, meaning it has an axis of symmetry along which it rotates, designated as the z-axis. The rotating frame of reference is defined such that the center of mass of...
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Stresses in a Shaft01:18

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Consider a scenario where a circular shaft is subject to torque that remains within the boundaries of Hooke's Law, avoiding any permanent deformation. So, the formula for shearing strain is revisited. This formula is multiplied by the modulus of rigidity, and then Hooke's Law for the shearing stress and strain is applied. As a result, the equation for shearing stress in a shaft can be derived.
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