Wijaya, Ericko (2018) Pengembangan program analisis buckling kolom euler menggunakan gnu octave 4.0.3 = Development of euler column buckling analysis program using gnu octave 4.0.3. Bachelor thesis, Universitas Pelita Harapan.
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Abstract
Manusia sudah sangat bergantung kepada teknologi terutama komputer.
Dunia teknik sipil tidak lepas dari kebergantungan tersebut, terutama dalam aspek
perencanaan dan analisis. Ilmu pengetahuan yang berkembang secara eksponensial
mengakibatkan banyak proses dalam program komputer yang diotomatisasikan.
Proses otomisasi tersebut menjadikan program komputer sebuah black box yang
mengambil kesempatan mahasiswa untuk belajar cara kerja perangkat lunak. Tugas
Akhir ini bertujuan untuk mengembangkan program yang bersifat white box,
menggunakan GNU Octave 4.0.3 yang dapat diakses tanpa biaya, sehingga cara
kerja internalnya dapat dipelajari oleh pengguna. Program analisis struktur balok
yang dikembangkan memverifikasi bahwa matriks kekakuan elemen balok tiga
nodal yang diturunkan sudah benar. Beban kritis yang dihasilkan program
EulerColumn sudah sesuai dengan perhitungan analitis. Simulasi yang dijalankan
menggunakan kedua tipe elemen menunjukkan bahwa simulasi menggunakan
elemen tiga nodal menunjukkan tingkat keakuratan yang lebih tinggi dibandingkan
dengan menggunakan elemen dua nodal, baik dengan jumlah elemen yang sama
maupun jumlah nodal yang sama. Jumlah elemen yang diperlukan untuk
mendapatkan hasil yang akurat menggunakan elemen tiga nodal berkisar 1000%
lebih sedikit dibandingkan elemen dua nodal. / Human has gotten to rely a lot on technology, especially computers. Civil
Engineering is not an exception, even more so in the area of planning and analysis.
Human knowledge expands with an exponential rate, causing many processes to be
automatised. That automatisation and the fact that most of off-the-shelf softwares
are black box softwares reduce the chance for students to study the inner working
of said softwares. This Thesis sought to utilise GNU Octave 4.0.3 to lay foundation
and develop a white box programme, therefore the inner workings can be examined,
studied and later improved by the user. Programme developed to carry out structural
analysis of beam element has verified that the stiffness matrix of three-node beam
element is correct. Output of the EulerBuckling programme has been checked by
comparing it with analytical calculation. Simulations run on the buckling analysis
programme demonstrates that using the three-node element provide a more accurate
result compared to two-node element, which is true for both case of comparing the
result of systems with the same number of elements and systems with the same
number of nodes. The number of elements required for three-node element to obtain
an accurate result is approximately 1000% less than that required for two-node
element.
Item Type: | Thesis (Bachelor) |
---|---|
Creators: | Creators NIM Email ORCID Wijaya, Ericko NIM00000008370 UNSPECIFIED UNSPECIFIED |
Contributors: | Contribution Contributors NIDN/NIDK Email Thesis advisor Widjajakusuma, Jack NIDN0327086805, jack.widjajakusuma@uph.edu |
Additional Information: | SK 21-14 WIJ p ; 31001000148370 |
Uncontrolled Keywords: | finite element; buckling; euler. |
Subjects: | T Technology > TA Engineering (General). Civil engineering (General) |
Divisions: | University Subject > Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering Current > Faculty/School - UPH Karawaci > Faculty of Science and Technology > Civil Engineering |
Depositing User: | Mrs Veronica Fitri Astuti |
Date Deposited: | 15 May 2021 14:30 |
Last Modified: | 26 Jun 2024 04:00 |
URI: | http://repository.uph.edu/id/eprint/25815 |