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ARITHMETIC UNIT, METHOD AND PROGRAM FOR COMPUTING A CONTACT CONDITION BETWEEN TWO SURFACES | ARITHMETISCHE EINHEIT, VERFAHREN UND PROGRAMM ZUR BERECHNUNG EINER KONTAKTBEDINGUNG ZWISCHEN ZWEI OBERFLÄCHEN | UNITÉ ARITHMÉTIQUE, PROCÉDÉ ET PROGRAMME POUR CALCULER UNE CONDITION DE CONTACT ENTRE DEUX SURFACES

Patentnummer:EP3372954B1
IPC Hauptklasse:G01B002130
Anmelder:
Erfinder:
Anmeldung:26.01.18
Offenlegung:09.03.17
Patenterteilung:15.05.19

Abstract / Hauptanspruch
An arithmetic unit that predicts a contact area or a normal force arising in a case in which two rough surfaces are in contact with each other. The arithmetic unit includes: a distribution computation section that computes from roughness distributions an asperity height distribution, which is a probability density function defining a probability of a height of an asperity peak from a reference plane being a particular height; and a contact computation section that, based on the asperity height distribution computed for each of the two rough surfaces, computes a real contact area, which is an actual contact area in a case in which the two rough surfaces are in contact, or a normal force in a case in which the two rough surfaces are in contact.

EP3372954B1


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