Tyukalov, Yury Ya. Tress finite element models for determining the frequencies of free oscillations [Электронный ресурс] / Yu.Ya. Tyukalov. — Электрон. текстовые дан. (1 файл : 1,80 Мб) // Инженерно-строительный журнал: специализированный научный журнал / Санкт-Петербургский политехнический университет Петра Великого, Инженерно-строительный институт. – 2016. – Загл. с титул. экрана. — Электронная версия печатной публикации. — Свободный доступ из сети Интернет (чтение, печать, копирование). — Текстовый файл. — Adobe Acrobat Reader 7.0. — <URL:http://elib.spbstu.ru/dl/2/j17-219.pdf>. — <URL:http://doi.org/10.5862/MCE.67.5>.
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Period
|
Read
|
Print
|
Copy
|
Open
|
Total
|
|
Year 2017
|
Quarter 2
|
April
|
6
|
0
|
4
|
0
|
10
|
|
May
|
17
|
0
|
16
|
0
|
33
|
|
June
|
5
|
0
|
6
|
0
|
11
|
|
Quarter 3
|
July
|
5
|
0
|
4
|
0
|
9
|
|
August
|
8
|
0
|
2
|
0
|
10
|
|
September
|
3
|
0
|
1
|
0
|
4
|
|
Quarter 4
|
October
|
5
|
0
|
1
|
0
|
6
|
|
November
|
7
|
0
|
1
|
0
|
8
|
|
December
|
8
|
0
|
4
|
0
|
12
|
|
Year 2018
|
Quarter 1
|
January
|
5
|
0
|
4
|
0
|
9
|
|
February
|
3
|
0
|
6
|
0
|
9
|
|
March
|
4
|
0
|
13
|
0
|
17
|
|
Quarter 2
|
April
|
2
|
0
|
12
|
0
|
14
|
|
May
|
5
|
0
|
9
|
0
|
14
|
|
June
|
2
|
0
|
11
|
0
|
13
|
|
Quarter 3
|
July
|
7
|
0
|
4
|
0
|
11
|
|
August
|
7
|
0
|
6
|
0
|
13
|
|
September
|
9
|
0
|
8
|
0
|
17
|
|
Quarter 4
|
October
|
4
|
0
|
3
|
0
|
7
|
|
November
|
2
|
0
|
3
|
0
|
5
|
|
December
|
1
|
0
|
3
|
0
|
4
|
|
Year 2019
|
Quarter 1
|
January
|
4
|
0
|
3
|
0
|
7
|
|
February
|
4
|
0
|
6
|
0
|
10
|
|
March
|
2
|
0
|
6
|
0
|
8
|
|
Quarter 2
|
April
|
2
|
0
|
3
|
0
|
5
|
|
May
|
4
|
0
|
1
|
0
|
5
|
|
June
|
2
|
0
|
3
|
0
|
5
|
|
Quarter 3
|
July
|
11
|
0
|
3
|
0
|
14
|
|
August
|
15
|
0
|
4
|
0
|
19
|
|
September
|
7
|
0
|
6
|
0
|
13
|
|
Quarter 4
|
October
|
1
|
0
|
4
|
0
|
5
|
|
November
|
1
|
0
|
6
|
0
|
7
|
|
December
|
0
|
0
|
6
|
0
|
6
|
|
Year 2020
|
Quarter 1
|
January
|
1
|
0
|
1
|
0
|
2
|
|
February
|
0
|
0
|
2
|
0
|
2
|
|
March
|
6
|
0
|
7
|
0
|
13
|
|
Quarter 2
|
April
|
5
|
0
|
0
|
0
|
5
|
|
May
|
1
|
0
|
0
|
0
|
1
|
|
June
|
2
|
0
|
0
|
0
|
2
|
|
Quarter 3
|
July
|
2
|
0
|
0
|
0
|
2
|
|
August
|
0
|
0
|
0
|
0
|
0
|
|
September
|
5
|
0
|
0
|
0
|
5
|
|
Quarter 4
|
October
|
5
|
0
|
0
|
0
|
5
|
|
November
|
1
|
0
|
9
|
0
|
10
|
|
December
|
4
|
0
|
5
|
0
|
9
|
|
Year 2021
|
Quarter 1
|
January
|
6
|
0
|
2
|
0
|
8
|
|
February
|
4
|
0
|
0
|
0
|
4
|
|
March
|
2
|
0
|
1
|
0
|
3
|
|
Quarter 2
|
April
|
2
|
0
|
6
|
0
|
8
|
|
May
|
0
|
0
|
1
|
0
|
1
|
|
June
|
10
|
0
|
2
|
0
|
12
|
|
Quarter 3
|
July
|
3
|
0
|
2
|
0
|
5
|
|
August
|
3
|
0
|
6
|
0
|
9
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
2
|
0
|
4
|
0
|
6
|
|
November
|
2
|
0
|
5
|
0
|
7
|
|
December
|
0
|
0
|
2
|
0
|
2
|
|
Year 2022
|
Quarter 1
|
January
|
1
|
0
|
3
|
0
|
4
|
|
February
|
3
|
0
|
4
|
0
|
7
|
|
March
|
4
|
0
|
2
|
0
|
6
|
|
Quarter 2
|
April
|
2
|
0
|
2
|
0
|
4
|
|
May
|
0
|
0
|
1
|
0
|
1
|
|
June
|
1
|
0
|
6
|
0
|
7
|
|
Quarter 3
|
July
|
3
|
0
|
0
|
0
|
3
|
|
August
|
1
|
0
|
3
|
0
|
4
|
|
September
|
1
|
0
|
1
|
0
|
2
|
|
Quarter 4
|
October
|
2
|
0
|
3
|
0
|
5
|
|
November
|
3
|
0
|
0
|
0
|
3
|
|
December
|
5
|
0
|
7
|
0
|
12
|
|
Year 2023
|
Quarter 1
|
January
|
7
|
0
|
2
|
0
|
9
|
|
February
|
2
|
0
|
2
|
0
|
4
|
|
March
|
3
|
0
|
3
|
0
|
6
|
|
Quarter 2
|
April
|
2
|
0
|
4
|
0
|
6
|
|
May
|
4
|
0
|
13
|
0
|
17
|
|
June
|
1
|
0
|
5
|
0
|
6
|
|
Quarter 3
|
July
|
0
|
0
|
1
|
0
|
1
|
|
August
|
3
|
0
|
3
|
0
|
6
|
|
September
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 4
|
October
|
5
|
0
|
1
|
0
|
6
|
|
November
|
0
|
0
|
5
|
0
|
5
|
|
December
|
1
|
0
|
1
|
0
|
2
|
|
Year 2024
|
Quarter 1
|
January
|
0
|
0
|
1
|
0
|
1
|
|
February
|
1
|
0
|
3
|
0
|
4
|
|
March
|
0
|
0
|
2
|
0
|
2
|
|
Quarter 2
|
April
|
5
|
0
|
7
|
0
|
12
|
|
Total
|
295
|
0
|
315
|
0
|
610
|
