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Updated: Feb 10, 2026

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在剪切辅助学中使用手工制造会产生硬且符合要求的结构

Jeffrey Ian Lipton1, Robert MacCurdy2, Zachary Manchester3

  • 1MIT Computer Science and Artificial Intelligence Lab, Cambridge, MA 02139, USA. jlipton@mit.edu rus@csail.mit.edu.

Science (New York, N.Y.)
|May 12, 2018
PubMed
概括

在大自然的启发下, 这些新材料可以是合规的或是刚性的,在机器人,医学和工程领域都有应用.

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Rigid Body Equilibrium Problems - I00:49

Rigid Body Equilibrium Problems - I

A rigid body is said to be in static equilibrium when the net force and the net torque acting on the system is equal to zero. To solve for rigid body equilibrium problems, do the following steps.
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In the study of beam mechanics, shear diagrams play a crucial role in understanding the distribution of shear forces along the length of a beam. Consider a beam AB that is supported at both ends and subjected to perpendicular loads.
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Shearing Stress

Shearing stress, denoted by the Greek letter tau (τ), is stress caused by forces acting transversely on an object. These forces create internal ones within the entity in the plane where the external forces are applied. The resultant of these internal forces is the shear in the section.
The average shearing stress can be calculated by dividing the shear by the area of the cross-section.
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Shearing Strain

The shearing strain represents a cubic element's angular change when subjected to shearing stress. This type of stress can transform a cube into an oblique parallelepiped without influencing normal strains. The cubic element experiences a significant transformation when exposed solely to shearing stress. Its shape alters from a perfect cube into a rhomboid, clearly demonstrating the effect of shearing strain. The degree of this strain is considered positive if it reduces the angle between the...
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