Verifikasi model dinamik plaxis dengan pendekatan uji seismic down-hole
| Main Author: | Silalahi, Dapot Eskana, author |
|---|---|
| Format: | Bachelors Thesis |
| Terbitan: |
Fakultas Teknik Universitas Indonesia
, 2012
|
| Subjects: |
| ctrlnum |
20306579 |
|---|---|
| fullrecord |
<?xml version="1.0"?>
<dc schemaLocation="http://www.openarchives.org/OAI/2.0/oai_dc/ http://www.openarchives.org/OAI/2.0/oai_dc.xsd"><title>Verifikasi model dinamik plaxis dengan pendekatan uji seismic down-hole</title><creator>Silalahi, Dapot Eskana, author</creator><type>Thesis:Bachelors</type><place/><publisher>Fakultas Teknik Universitas Indonesia</publisher><date>2012</date><description>[<b>ASBTRAK</b><br>
Permodelan menggunakan program komputer untuk melihat reaksi suatu struktur
terhadap beban dinamik yang diberikan pada pondasinya telah banyak digunakan
untuk memudahkan proses perhitungan dalam sebuah penelitian. Dengan
memberikan input yang akan dianalisis dan batasan-batasan permodelan yang
sesuai dengan teori, sistem permodelan dengan komputer dapat memberikan
jaminan terhadap valid data output yang dihasilkan. Sifat tanah lunak yang
memberi efek redaman yang semakin besar terhadap gelombang seiring
bertambahnya volume tanah yang dilaluinya, dianggap sulit diabaikan. Untuk itu,
batasan terhadap mesh yang terlibat sebagai representasi tanah di sekitar struktur
yang dimodelkan, dirasa perlu diverifikasi. (Mesh adalah elemen-elemen kecil
yang menghubungkan nodal-nodal sebagai diskritisasi suatu sistem yang lebih
kontinyu sebagai dasar analisis elemen hingga yang digunakan komputer).
Berdasarkan efek di atas, lebar mesh terlibat yang relatif sempit diduga akan
memberikan output yang berbeda apabila permodelan dilakukan dengan lebar
mesh yang lebih luas. Untuk melihat pengaruh batasan ini, dilakukan pendekatan
dengan permodelan uji seismic down-hole dengan program PLAXIS. Dengan
menggunakan kecepatan gelombang geser sebagai indikator, Akan dilakukan
perbandingan hasil output yang diperoleh terhadap pemakaian mesh yang
berbeda-beda. Dengan pendekatan ini diharapkan mampu memberikan gambaran
mengenai pengaruh lebar mesh yang terlibat.
<hr>
<b>ABSTRACT</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected.;<hr>
<b>Abstract</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected., <hr>
<b>Abstract</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected.]</description><subject>Dynamic models (Computer program language)</subject><identifier>20306579</identifier><recordID>20306579</recordID></dc>
|
| format |
Thesis:Bachelors Thesis Thesis:Thesis |
| author |
Silalahi, Dapot Eskana, author |
| title |
Verifikasi model dinamik plaxis dengan pendekatan uji seismic down-hole |
| publisher |
Fakultas Teknik Universitas Indonesia |
| publishDate |
2012 |
| topic |
Dynamic models (Computer program language) |
| contents |
[<b>ASBTRAK</b><br>
Permodelan menggunakan program komputer untuk melihat reaksi suatu struktur
terhadap beban dinamik yang diberikan pada pondasinya telah banyak digunakan
untuk memudahkan proses perhitungan dalam sebuah penelitian. Dengan
memberikan input yang akan dianalisis dan batasan-batasan permodelan yang
sesuai dengan teori, sistem permodelan dengan komputer dapat memberikan
jaminan terhadap valid data output yang dihasilkan. Sifat tanah lunak yang
memberi efek redaman yang semakin besar terhadap gelombang seiring
bertambahnya volume tanah yang dilaluinya, dianggap sulit diabaikan. Untuk itu,
batasan terhadap mesh yang terlibat sebagai representasi tanah di sekitar struktur
yang dimodelkan, dirasa perlu diverifikasi. (Mesh adalah elemen-elemen kecil
yang menghubungkan nodal-nodal sebagai diskritisasi suatu sistem yang lebih
kontinyu sebagai dasar analisis elemen hingga yang digunakan komputer).
Berdasarkan efek di atas, lebar mesh terlibat yang relatif sempit diduga akan
memberikan output yang berbeda apabila permodelan dilakukan dengan lebar
mesh yang lebih luas. Untuk melihat pengaruh batasan ini, dilakukan pendekatan
dengan permodelan uji seismic down-hole dengan program PLAXIS. Dengan
menggunakan kecepatan gelombang geser sebagai indikator, Akan dilakukan
perbandingan hasil output yang diperoleh terhadap pemakaian mesh yang
berbeda-beda. Dengan pendekatan ini diharapkan mampu memberikan gambaran
mengenai pengaruh lebar mesh yang terlibat.
<hr>
<b>ABSTRACT</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected.;<hr>
<b>Abstract</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected., <hr>
<b>Abstract</b><br>
Modeling using computer programs to see the response of a structure when it is
subjected to dynamic loads have been widely used to facilitate the calculation
process at any interest. By providing the input required and setting up the
boundaries in accordance with theoretical manner, the computer system can
provide an assured valid output of data generated. However, in some cases, it is
often hard to determine the maximum effective boundaries for the mesh involved
(Mesh is the small elements that connected by the nodes as a result of
discretization process of a more continuous system as the basic principle for finite
element analysis used by the computer system). With concomitant increase in the
volume of soil along its path, the effect of the damping will cause the amplitude of
the travelling wave to be gradually decreased. Thus, it is difficult to ignore the
boundaries by setting a point of boundaries at random distance from the structure.
Boundaries of the mesh involved as the representation of the soil around the
structure, perceived need to be verified. Based on the above effects, the relatively
narrow mesh involved will allegedly give a different output compared with when
it is modeled with a wider mesh geometry. To see the effect of this mesh
boundaries, the approach by modeling the down-hole seismic test with program
PLAXIS is conducted. By doing so, clearer explanation about the mesh boundary
is expected.] |
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