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【注】来自Ansys Help 文件
The following is a list of the mathematical operations
currently supported for user defined results. The shorthand
notation "s" defines a scalar quantity and "a" defines an array. An
array is distinguished by its dimension which includes the length,
based on the number of rows (that is, number of nodes or elements),
and the width, consisting of 1, 3, or 6 columns depending on the
type of result stored.
1.
Addition (+): s1+s2, a1+a2, a+s (s+a is not
supported)
2.
Subtraction (-): s1-s2, a1-a2, a-s (s-a is not
supported)
3.
Multiplication (*): s1*s2, a1*a2, a*s, s*a
4.
Division (/): s1/s2, a1/a2, a/s (s/a is not
supported)
5.
Power (^): s1^s2, a^s, (undefined if s1 = 0 and s2
< 0)
6.
Log base ten (log10): log10(s), log10(a), (s and a
> 0.0)
7.
Square root (sqrt): sqrt(s), sqrt(a), (s and a should be
>= 0.0)
8.
Dot product (dot): dot(a1,a2) (results in a single-column
array consisting of the inner products, one for each row of a1 and
a2; thus, a1, a2 should have the same dimensions)
9.
Cross product (cross): cross(a1,a2) (a1, a2 must have 3
columns)
10.
Add Comp (addcomp): addcomp(uvectors) = ux + uy + uz (If the
argument uvectors has 3 columns, they are added to produce a
single-column array. If the argument is a single-column array, the
result will be a scalar summing all the array entries.)
11.
Maximum (max): s = max(s1,s2), a = max(a1,a2)
12.
Minimum (min): s = min(s1,s2), a = min(a1,a2)
13.
Absolute Value (abs): s = abs(s1), a=abs(a1)
14.
Trigonometric Functions (sin, cos, tan): sin(s), cos(s),
tan(s), sin(a), cos(a), tan(a) (s and a are both in
radians)
15.
Inverse Trigonometric Functions (asin, acos, atan): asin(s),
acos(s), atan(s), asin(a), acos(a), atan(a) (return values are in
radians; where -1 <= s <= 1 and -1
<= a <=1 for asin and
acos)
16.
atan2: atan2(s1,s2), atan2(a1,a2) (return values are in
radians; calculates the arctangent of s1/s2 or a1/a2 and uses the
sign of the arguments to determine the quadrant of the returned
angle)
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