EN 1993-1-1 · SP 16 · AISC 360

Beam with equipment: natural frequencies, resonance and forced vibration

Motor, pump or fan on a steel beam: natural frequencies and modes, resonance check, dynamic amplification, amplitudes and vibration velocity, strength including dynamics, section selection for detuning.

Results

Detailed report

Project Subject Designer Date

About this calculation

Design basis

Finite element method (Euler–Bernoulli beam); ISO 21940-11 (unbalance); ISO 10816-3 (vibration evaluation); EN 1993-1-1 (strength)

Input data

Beam: Section range; Profile; Steel grade; Span L; Supports; Additional distributed mass
Equipment: Equipment mass m; Position a from the left support; Rotational speed n; Dynamic force; Balance quality grade; Rotor mass mr; Force amplitude F0; Damping ratio ζ; Partial factor γM0 for the strength check

Output

Results with intermediate values
Charts and diagrams
PDF, Word, Excel report

FAQ

Which codes are supported?

EN 1993-1-1, SP 16.13330.2017 and AISC 360-22; GOST, EN and AISC section ranges.

What is GMNIA?

Geometrically and materially nonlinear analysis with imperfections: includes plasticity per the steel diagram, flexural and lateral-torsional buckling and gives the ultimate load.

Can results be exported?

Yes: PDF, Word (DOCX) and Excel (XLSX) reports with inputs, intermediate values, diagrams and checks.