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In diesem Artikel wird ein Modellierungsansatz vorgestellt, der die vom OADM absorbierte Adressierstrahlung als verteilt-wirkenden Stelleingriff ber\u00fccksichtigt. Zudem werden durch den Prim\u00e4rlaser verursachte St\u00f6rdeformationen dargestellt. Mit geometrisch-physikalischen Argumenten wird das kontinuumsmechanische Modell vereinfacht: Da der W\u00e4rmefluss in Tiefenrichtung dominiert, kann diese Koordinate mittels partieller Ortsdiskretisierung als verteilte Gr\u00f6\u00dfe beibehalten werden. 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