@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix constant: <http://qudt.org/vocab/constant/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix dcterms: <http://purl.org/dc/terms/> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix qkdv: <http://qudt.org/vocab/dimensionvector/> .
@prefix quantitykind: <http://qudt.org/vocab/quantitykind/> .
@prefix qudt: <http://qudt.org/schema/qudt/> .
@prefix si-quantity: <https://si-digital-framework.org/quantities/> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix unit: <http://qudt.org/vocab/unit/> .
@prefix vaem: <http://www.linkedmodel.org/schema/vaem#> .
@prefix voag: <http://voag.linkedmodel.org/schema/voag#> .

quantitykind:MechanicalSurfaceImpedance
  a qudt:QuantityKind ;
  dcterms:description "Mechanical surface impedance at a surface, is the complex quotient of the total force on the surface by the component of the average sound particle velocity at the surface in the direction of the force"^^qudt:LatexString ;
  qudt:hasDimensionVector qkdv:A0E0L-2I0M1H0T-1D0 ;
  qudt:latexDefinition "$Z_m = Z_a A^2$, where $A$ is the area of the surface considered and $Z_a$ is the acoustic impedance."^^qudt:LatexString ;
  qudt:plainTextDescription "Mechanical surface impedance at a surface, is the complex quotient of the total force on the surface by the component of the average sound particle velocity at the surface in the direction of the force" ;
  qudt:symbol "Z" ;
  rdfs:comment "There are various interpretations of MechanicalSurfaceImpedance: Pressure/Velocity - https://apps.dtic.mil/sti/pdfs/ADA315595.pdf, Force / Speed - https://www.wikidata.org/wiki/Q6421317, and (Pressure / Velocity)**0.5 - https://www.sciencedirect.com/topics/engineering/mechanical-impedance. We are seeking a resolution to these differences." ;
  rdfs:isDefinedBy <http://qudt.org/3.1.11/vocab/quantitykind> ;
  rdfs:label "Mechanical surface impedance"@en ;
  vaem:todo "belongs to SOQ-ISO" .