Blog posts

15-Video-Iy and polar moment of inertia-right angle-case 2.

March 25, 2025March 11, 2024 by Maged kamel

Video-Iy and polar moment of inertia-right angle-case 2. Detailed calculations to find the value of Iy at the Cg and also the polar moment of inertia.

14-Video-Use a vl strip to get Iy for right-angle case-2.

April 8, 2025March 7, 2024 by Maged kamel

Video-Use a vl strip to get Iy for right-angle case-2. derive the value for iy for yaxis is at the left and for the Y axis at the right.determine the radius of gyration for the two cases.

13-Video-Use a vl strip to get Ix for right-angle case-2.

March 25, 2025March 6, 2024 by Maged kamel

Video-Use a vl strip to get Ix for right-angle case-2. Derive the expression for Ix at the Cg and estimate the radius of gyration.

12-Video for Ix for a right-angle case -2-Use Hl strip.

March 25, 2025March 6, 2024 by Maged kamel

Video for Ix for a right-angle triangle case 2. By Using a horizontal strip we can obtain ix at the left corner and Ix at the Cg.

10-Video for Iy for a right-angle triangle case 1.

June 4, 2025March 5, 2024 by Maged kamel

Video for Iy for a right-angle triangle case 1. Derive the expression of Iy by using two alternative methods, a horizontal strip and a vertical strip.

11-Video for Ixy for a right-angle triangle case 1.

June 6, 2025March 5, 2024 by Maged kamel

Video for Ixy for a right-angle triangle case 1. How to estimate the product of inertia Ixy for a right-angle triangle case No.1 at the external axis and at the Cg?

8-Introduction to Crout’s LU decomposition for a 2×2 matrix.

September 18, 2025March 5, 2024 by Maged kamel

How to drive Crout’s LU decomposition for a 2×2 matrix? Step-by-step introduction to Crout’s LU decomposition with a solved problem.

9-Video for Ix for a right-angle triangle case 1.

June 6, 2025March 5, 2024 by Maged kamel

Video for Ix for a right-angle triangle case 1. Derive the expression of Ix by using two alternative methods, a horizontal strip and a vertical strip.