| 摘要 |
<p>A corrosion/anticorrosion analysis method used when at least two continuous identical or different areas exist among areas to be modeled two-dimensionally, three-dimensionally or axial-symmetrically. Element division suitable for each modeling is effected by dividing the entire object into areas to define one area as an attentional area and the others as non-attentional areas. A division surface is common to two areas and current densities and potentials are mutually equivalent on individual elements having matching positions on the division surface. A discretized boundary integral equation in a non-attentional area is modified to express an unknown relation between a current density and a potential on a division surface by summarizing known relations between current densities and potentials on elements in non-attentional areas outside the division surface. A boundary element analysis for an attentional area is made using the obtained relation between a current density and a potential on the division surface as a boundary condition to determine a potential distribution and a current density distribution in the entire attentional area. Then, a boundary element analysis for non-attentional areas is made using the obtained potential and current density on the division surface as a boundary condition to complete an analysis for the areas as a whole.</p> |
