SDOF

Single Degree of Freedom Calculator

PROJECT
CALCULATION
UNITS
Length
Force
SECTION PROFILE
Table Section
h b tf tw
MATERIAL
E Enter the elastic modulus for the material
σy Enter the dynamic yield stress (i.e. inclusive of dynamic and strength increase factors) for the material
GEOMETRY
Length

Beam Boundary Conditions
MASS
M Enter the Total Mass
Type
LOAD HISTORY
Enter load time history, 1 point per line.
Syntax:
TIME*, MAGNITUDE*
* TIME: Must be monotonically increasing [s]
* MAGNITUDE: Positive is upward
Type
GENERAL
g Enter the Gravitational Acceleration
(Value should be negative i.e. downwards, for horizontally spanning elements and 0 for vertically spanning elements e.g. walls)
Damping Enter the Damping Ratio
(Acceptable values are 0 ≤ ζ ≤ 1)
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