gtheler преди 7 години
родител
ревизия
df6383ce63
променени са 5 файла, в които са добавени 5 реда и са изтрити 2 реда
  1. +1
    -0
      .gitignore
  2. Двоични данни
      CS-Book.docx
  3. +2
    -0
      make.sh
  4. +1
    -1
      meta.yaml
  5. +1
    -1
      nafems4.md

+ 1
- 0
.gitignore Целия файл

@@ -16,3 +16,4 @@ nafems4.pdf
nafems4.docx
nafems4.epub
nafems4.nafems4.docx
nafems4.odt

Двоични данни
CS-Book.docx Целия файл


+ 2
- 0
make.sh Целия файл

@@ -124,6 +124,8 @@ for format in ${formats}; do
elif [[ "${format}" == "html" ]]; then
template_file="${template}.html"
flags="${flags} --katex"
elif [[ "${format}" == "docx" ]]; then
flags="${flags} --reference-doc=CS-Book.docx"
else
template_file="${template}.${format}"
fi

+ 1
- 1
meta.yaml Целия файл

@@ -12,7 +12,7 @@ colorlinks: true
linkReferences: true
nameInLink: true
mathspec: true
formats: html tex pdf epub
formats: html tex pdf epub docx odt
listings: true
template: simple
documentclass: article

+ 1
- 1
nafems4.md Целия файл

@@ -80,7 +80,7 @@ Mechanical systems can fail due to a wide variety of reasons. The effect known a
1. stress life, or
2. strain life

The first one is suitable for cases where the loads are nowhere near the yield stress of the material. In those cases where plastic deformation is expected to occur, strain-life methods ought to be employed.
The first one is suitable for cases where the loads are nowhere near the yield stress of the material. When plastic deformation is expected to occur, strain-life methods ought to be employed.

For the case study, as the loads come principally from operational loads, the ASME\ stress-life approach should be used. The stress amplitude of a periodic cycle can be related to the number of cycles where failure by fatigue is expected to occur. For each material, this dependence can be computed using normalised tests and a family of “fatigue curves” like the one depicted in\ [@fig:SN] (also called $S$-$N$ curve) for different temperatures can be obtained.


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