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Gopalkrishna Advanced Rural Research Foundation

GARRF • Virtual Engineering Laboratory Manual
Kalam Zero Lab
CE03 - CE08 Suite
Traditional Multi-Lab Suite
₹12.5 Crores+
Requires structural test frames, torsion dynos, column buckling rigs, and dynamic shakers.
Kalam Zero Lab Engine
₹0
Unified interactive web suite covering advanced structural mechanics, dynamics, and plastic analysis with live simulation triggers.
CE03: Determinate Truss Joint Solver & Member Force Visualization
Truss Configuration
Color-Coded Member Force Diagram
Max Tension Force--
Max Compression Force--
Determinacy StatusDeterminate
CE04: Torsion of Circular Shafts & Power Transmission
Shaft Parameters
Shear Stress Distribution & Twist
Max Shear Stress (τ)--
Angle of Twist (θ)--
Polar Moment (J)--
CE05: Column Buckling & Euler's Critical Load
Column Support Conditions
Buckling Deflection Curve
Critical Load (Pcr)--
Slenderness Ratio (SR)--
Failure ModeEuler Buckling
CE06: Influence Lines for Determinate Beams
Moving Load Parameters
Influence Line Diagram (ILD)
Peak Ordinate Value--
Current Effect Value--
Load StatusActive Unit Load
CE07: SDOF Structural Dynamics & Free Vibrations
Dynamic System Properties
Damped Free Vibration Response
Natural Frequency (fn)--
Damped Period (Td)--
Logarithmic Decrement--
CE08: Plastic Analysis of Steel Beams & Collapse
Plastic Collapse Parameters
Plastic Hinge Formation & Mechanism
Plastic Moment (Mp)--
Collapse Load (Pu)--
Hinges Formed2 Hinges
Student Assessment & Conceptual Viva Questions (CE03 - CE08)
Q1. (CE03 Truss) In the Method of Joints, what is the maximum number of independent equilibrium equations available at a pin joint in a 2D planar truss?
Q2. (CE04 Torsion) How does the maximum shear stress vary along the radial distance $r$ from the center of a solid circular shaft under pure torsion?
Q3. (CE05 Buckling) If a structural column has both ends fixed against rotation and translation, what is its effective length factor $K$?
Q4. (CE07 Dynamics) What physical phenomenon occurs in a single degree of freedom (SDOF) structural system when the damping ratio $\zeta$ exceeds 1.0 ($\zeta > 1$)?