Mechanics of Solids 3 min read
Small-strain tensor
The small strains, or infinitesimal strains, εij are appropriate for situations with |∂uk/∂Xl|<< 1 for all k and l. Two…
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Marine machinery Drawing 3 min read
Types of fit
The three types of fit are: 1. Clearance: The hole is larger than the shaft, enabling the two parts to slide…
Mechanics of Solids 3 min read
Geometry of deformation
Strain and strain-displacement relations The shape of a solid or structure changes with time during a deformation process. To characterize…
Mechanics of Solids 3 min read
Equations of motion
Now the linear momentum principle may be applied to an arbitrary finite body. Using the expression for Tj above and…
Mechanics of Solids 4 min read
Stress
Assume that F and M derive from two types of forces, namely, body forces f, such as gravitational attractions—defined such…
Mechanics of Solids 3 min read
Linear and angular momentum principles: stress and equations of motion
Let x denote the position vector of a point in space as measured relative to the origin of a Newtonian…
Mechanics of Solids 4 min read
Basic Principles
In addressing any problem in continuum or solid mechanics, three factors must be considered: (1) the Newtonian equations of motion,…
Mechanics of Solids 2 min read
Computational mechanics
The digital computer revolutionized the practice of many areas of engineering and science, and solid mechanics was among the first…
Marine machinery Drawing 5 min read
Methods of measuring surface finish
The methods used for measuring the surface finish is classified into 1. Inspection by comparison 2. Direct Instrument Measurements 1. Inspection by comparison…
Marine machinery Drawing 2 min read
Analysis of surface finish
The analyses of surface finish being carried out by 1. The average roughness method. 2. Peak to valley height method 3. From factor…
Mechanics of Solids 3 min read
Viscoelasticity
The German physicist Wilhelm Weber noticed in 1835 that a load applied to a silk thread produced not only an…
Marine machinery Drawing 2 min read
SURFACE FINISH MEASUREMENT
When we are producing components by various methods of manufacturing process it is not possible to produce perfectly smooth surface…
