Category: Computational Structural Mechanics.

Transformation from local to global co-ordinate system

Displacement transformation matrix Force displacement matrix

The Direct Stiffness Method: Plane Frames

Introduction In the case of plane frame, all the members lie in the same plane and are interconnected by rigid…

Stiffness Methods for Systematic Analysis of Structures

The Stiffness method provides a very systematic way of analyzing determinate and indeterminate structures. Transformation of Vectors (Displacements or Forces)…

Force Methods/Flexibility Method

STIFFNESS METHODS MERITS AND DEMERITS:

MERITS: DEMERITS : STATIC ANALYSIS OF BEAM SEGMENT :

METHOD USED IN ANALYSIS

STATIC ANALYSIS OF BEAMS: STIFFNESS METHOD OF STRUCTURAL ANALYSIS: INTRODUCTION: Stiffness method or displacement method is an important approach to…

TYPES OF GRIDS:

STATIC AND DYNAMIC ANALYSIS OF GRID BEAMS

DEFINITION: Interconnected grid systems are being commonly used or supporting building floors bridge decks and overhead water tanks slabs .A…

The Principle of Minimum Potential Energy

The principle of minimum potential energy follows directly from the principle of virtual work (for elastic materials). The Principle of…

Energy principles in structural mechanics

Energy principles in structural mechanics express the relationships between stresses, strains or deformations, displacements, material properties, and external effects in the form of energy or work done by…

Flexibility and Stiffness

Flexibility is the elastic property of a restraint and can be linear or lateral. Expansion joint flexibility values are calculated based on data provided in…

Static Indeterminacy of Structures

Figure 1.11 Statically determinate structures Figure 1.12 Statically indeterminate structures In Section 1.2, the equilibrium equations are described as the…