ISO 7626-2

Experimental Modal Analysis โ€“ Single-Point Excitation

ISO 7626-2 describes procedures for experimental modal analysis using single-point, single-axis excitation to characterise the dynamic properties and natural frequencies of structures and machines. This test method captures frequency response functions and mode shapes essential for structural design validation, vibration control, and fault diagnosis. Aerospace, automotive, civil engineering, and machinery manufacturers use modal analysis to refine designs and understand dynamic behaviour under operational loads. Accreditation ensures rigorous application of measurement protocols and data quality standards supporting engineering confidence in structural performance predictions.

What it measures

  • Frequency response functions (FRF) over specified frequency range
  • Natural frequencies (resonances) and modal damping ratios
  • Mode shapes and structural deflection patterns
  • Coherence and measurement quality indicators
  • Dynamic stiffness and impedance characteristics
๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 7626-1 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 7626-1 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 7626-1 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 7626-1 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 7626-1 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 7626-1 ๐Ÿ‡ฉ๐Ÿ‡ช DIN EN ISO 7626-5 ๐Ÿ‡ฌ๐Ÿ‡ง BS EN ISO 7626-5 ๐Ÿ‡ซ๐Ÿ‡ท NF EN ISO 7626-5 ๐Ÿ‡ฎ๐Ÿ‡น UNI EN ISO 7626-5 ๐Ÿ‡ช๐Ÿ‡ธ UNE EN ISO 7626-5 ๐Ÿ‡ณ๐Ÿ‡ฑ NEN EN ISO 7626-5
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Aerospace and defence engineering Automotive design and validation Civil engineering and bridge design Heavy machinery and equipment development Vibration and noise control consulting

Related Standards

  • ISO 7626-1 Vibration and shockโ€”Experimental determination of mechanical mobilityโ€”Part 1: Basic definitions and transducers
  • ISO 7626-5 Vibration and shockโ€”Experimental determination of mechanical mobilityโ€”Part 5: Coupling of mechanical mobility measurement instrumentation
  • ISO 6954 Mechanical vibration and shockโ€”Acceleration transducersโ€”Specifications for laboratory standard instruments

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