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SPONSORED ### Calculation Example – Simple harmonic vibration part1

A single point with mass m is vibrating harmonically. The displacement x from point of balance is governed by the differential equation where ω is a positive constant. a) Show that...

Read More SPONSORED ### Calculation Example – Simple harmonic vibration part 2

A single point with mass m is vibrating harmonically. The displacement x from point of balance is governed by the differential equation where ω is a positive constant. b) What is t...

Read More SPONSORED ### Calculation Example – Friction

The friction coefficient is c1=0.2 between two bodies A,B. The friction coefficient is c2=0.18 between body B and the ground. If mass mA=0.5kgr and mB=1kgr , what is the minimum force P so that the tw...

Read More SPONSORED ### Calculation Example – Section Modulus S

A simple beam pinned at two ends is loaded as shown in the figure. Calculate the required section modulus S if σallow =1500 ΚΝ/m2, L =24 m, P =2000 KN, and q = 400 KN/m. Solution The r...

Read More SPONSORED ### Calculation Example – Plastic Neutral Axis.

Find the location of the PNA (plastic neutral axis) from top for the following section. Solution The plastic neutral axis is defined as the axis that splits the cross section in such a way t...

Read More SPONSORED ### Calculation Example - Calculate the Axial Forces of the Truss Members.

Find the axial forces of the members 2-3, 9-3 of the truss for the given loads. Solution From the equilibrium of the forces on the truss we have: We consider the cross section T s...

Read More SPONSORED ### Calculation Example – Calculate the moments of inertia Ix and Iy.

Determine the moments of inertia Ix and Iy of the Z section. The origin of coordinates is at the centroid. Solution Determine the moments of inertia Ix and...

Read More SPONSORED ### Calculation Example – Internal forces.

Determine the internal forces at point C. Solution We calculate the reaction R1,R2. From the equilibrium of forces. We calculate the internal forces at point C.

Read More SPONSORED ### Calculation Example - Calculate the deflection. Castigliano Theorem.

Calculate the deflection at point D for the point load 2P for the pinned beam at two ends. Solution From the equilibrium of forces we calculate the reactions RA,RB. Strain En...

Read More SPONSORED ### Calculation Example – Determine the shear force and moment.

Determine the shear force and moment acting at a section passing through point C on the beam. Solution From the equilibrium of forces we calculate the reactions Ay,By. &nb...

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