E0041 tire conicity & ply steer part 14 – the second moment of area#2 : rectangle - EulSeoggy Ko скачать в хорошем качестве

E0041 tire conicity & ply steer part 14 – the second moment of area#2 : rectangle - EulSeoggy Ko

Steps for calculating second moment of area: 1. assuming small strip parallel to the reference axis 2. calculating small second moment of area 3. integrating small second moment of area Steps for calculating product moment of area: 1. assuming small strip parallel to one axis 2. locating centroid of small strip 3. calculating small second moment of area 4.integrating small second moment of area Parallel axis theorem : Second moment of area with respect to the given axis is the sum of second moment of area with respect to the axis passing through centroid parallel to the given axis and the area multiplied by the perpendicular distance squared between the axes. For the product moment of area, distance squared is replaced by the product of perpendicular distances between parallel axes. Product moment of area is defined as integral of the product of distances perpendicular to two reference axes with respect to the area. If a cross section area is symmetric with respect to one of coordinate axes, product moment of area equals zero. If a cross section is square and coordinate origin locates at centroid, product moment of area equals zero.