00001 // copyright by benedikt oswald, all rights reserved, 2002-2006. 00002 // project - aqhdes2003 00003 // file name - materials.h 00004 // file type - C include file 00005 // objective - global include file defines electric properties of materials 00006 // creation - 2003 feb 20 ~ 17:25:00 by benedikt oswald 00007 // modified - 2003 sep 15 ~ 17:55:00 by benedikt oswald 00008 // required software - UG 3.1 or higher 00009 // rights for UG - cf. paper by Bastian et al., 1997 00010 // file id - 00011 // inheritance - none 00012 // feature - defines electric materials properties used in calculations; 00013 // feature - uses the definition of fundamental constants, define in 00014 // feature - the aqhdPhysicoMath.h include file; the electric properties 00015 // feature - of PCB substrate materials are defined elsewhere, i.e. 00016 // feature - in aqhdSubstrateDB.h 00017 00018 #ifndef __MATERIALS__ 00019 #define __MATERIALS__ 00020 00021 #include "aqhdPhysicoMath.h" 00022 00023 // dielectric properties of materials 00024 #define EPSILON_VACUUM 1.0 * EPSILON_ZERO 00025 #define EPSILON_VACUUM_RELATIVE 1.0 00026 #define EPSILON_RELATIVE_TEFLON 2.06 00027 00028 #define EPSILON_AIR 1.0 * EPSILON_ZERO 00029 #define EPSILON_AIR_RELATIVE 1.0 00030 #define EPSILON_WATER 80.36 00031 00032 // magnetic properties of materials 00033 #define MU_VACUUM 1.0 * MU_ZERO 00034 #define MU_VACUUM_RELATIVE 1.0 00035 00036 #define MU_AIR 1.0 * MU_ZERO 00037 #define MU_AIR_RELATIVE 1.0 00038 00039 // ohmic properties 00040 #define BRASS_CONDUCTIVITY 1.0e12 00041 #define ALUMINUM_CONDUCTIVITY ( 1 / 2.82e-8 ) 00042 #define COPPER_CONDUCTIVITY ( 1 / 1.70e-8 ) 00043 #define VACUUM_CONDUCTIVITY 0.0 00044 #define SIGMA_CAVITY 0.0 00045 00046 #endif