Modal analysis of butt-welded aluminum alloy beams with different welding root widths

Muhammet Raci Aydın

Makale detayları

Modal analysis of butt-welded aluminum alloy beams with different welding root widths

Yazarlar:

Muhammet Raci Aydın

Yayıncı:

Gumushane University

Ana Başlıklar:

Dinamikler | Titreşim ve Titreşim Kontrolü

Dergi:

Gümüşhane Üniversitesi Fen Bilimleri Dergisi Vol.15 Issue 3, pp.753-762

Belge Tipi:

Makale

Yayın Tarihi:

9/2025

Belge Dili:

İngilizce

Document ID (Org No.):

2001358144

pISSN:

2146-538X

Anahtar kelimeler:

Özet:

 In this study, the effect of different welding root widths on the vibrational behavior of butt-welded aluminum alloy structures was investigated using numerical methods. Specimens with dimensions of 250 mm  25 mm  5 mm and free-free boundary conditions were modeled in ANSYS Workbench finite element software, including a weld-free reference specimen and specimens with V-shaped joints at a 60 angle having welding root widths of 0, 1, 2, 3, and 4 mm. Natural frequencies and mode shapes were determined and the first three natural frequencies of the unwelded specimen were calculated based on the Euler-Bernoulli beam theory for comparison. A good agreement was observed between the two methods. The results indicated that geometric variations in the welding region affect the mass-volume values and structural stiffness. In specimens with 0 mm root width, frequency values decreased, while an increasing trend in the first and third natural frequencies was observed for root widths between 1-4 mm. A maximum change of 1.34 was found between the 4 mm welding root specimen and the reference. The second natural frequency remained unchanged, as the welded region corresponded to the node location of the second mode shape. This study is novel in that it investigates the effect of different root widths on vibration behavior. In the future, theoretical, numerical, and experimental studies will be conducted using different material and welding parameters.

 In this study, the effect of different welding root widths on the vibrational behavior of butt-welded aluminum alloy structures was investigated using numerical methods. Specimens with dimensions of 250 mm  25 mm  5 mm and free-free boundary conditions were modeled in ANSYS Workbench finite element software, including a weld-free reference specimen and specimens with V-shaped joints at a 60 angle having welding root widths of 0, 1, 2, 3, and 4 mm. Natural frequencies and mode shapes were determined and the first three natural frequencies of the unwelded specimen were calculated based on the Euler-Bernoulli beam theory for comparison. A good agreement was observed between the two methods. The results indicated that geometric variations in the welding region affect the mass-volume values and structural stiffness. In specimens with 0 mm root width, frequency values decreased, while an increasing trend in the first and third natural frequencies was observed for root widths between 1-4 mm. A maximum change of 1.34 was found between the 4 mm welding root specimen and the reference. The second natural frequency remained unchanged, as the welded region corresponded to the node location of the second mode shape. This study is novel in that it investigates the effect of different root widths on vibration behavior. In the future, theoretical, numerical, and experimental studies will be conducted using different material and welding parameters.

 In this study, the effect of different welding root widths on the vibrational behavior of butt-welded aluminum alloy structures was investigated using numerical methods. Specimens with dimensions of 250 mm  25 mm  5 mm and free-free boundary conditions were modeled in ANSYS Workbench finite element software, including a weld-free reference specimen and specimens with V-shaped joints at a 60 angle having welding root widths of 0, 1, 2, 3, and 4 mm. Natural frequencies and mode shapes were determined and the first three natural frequencies of the unwelded specimen were calculated based on the Euler-Bernoulli beam theory for comparison. A good agreement was observed between the two methods. The results indicated that geometric variations in the welding region affect the mass-volume values and structural stiffness. In specimens with 0 mm root width, frequency values decreased, while an increasing trend in the first and third natural frequencies was observed for root widths between 1-4 mm. A maximum change of 1.34 was found between the 4 mm welding root specimen and the reference. The second natural frequency remained unchanged, as the welded region corresponded to the node location of the second mode shape. This study is novel in that it investigates the effect of different root widths on vibration behavior. In the future, theoretical, numerical, and experimental studies will be conducted using different material and welding parameters.

 Bu çalışmada, farklı kaynak kök genişliklerinin alın kaynaklı alüminyum alaşımı yapıların titreşim davranışlarına etkisi sayısal yöntemlerle incelenmiştir. 250 mm  25 mm  5 mm boyutlarında, serbest-serbest sınır şartlarına sahip referans numune ile 0, 1, 2, 3 ve 4 mm kaynak kök genişliğine sahip V-şeklinde 60 açılı birleşimlere sahip numuneler ANSYS Workbench sonlu elemanlar yazılımında modellenmiştir. Doğal frekans ve mod şekilleri belirlenmiş, kaynaksız numune için Euler-Bernoulli teorisine göre hesaplanan ilk üç doğal frekans değeriyle karşılaştırma yapılmıştır. İki yöntem arasında iyi bir uyum görülmüştür. Sonuçlar, kaynak bölgesindeki geometrik değişimin kütle-hacim değerleri ve yapısal rijitlik üzerinde etkili olduğunu göstermiştir. 0 mm kök genişliğine sahip numunelerde frekanslar düşerken, 1-4 mm arasında özellikle birinci ve üçüncü doğal frekanslarda artış gözlenmiştir. 4 mm kök genişliğine sahip numune ile referans numunesi arasında maksimum 1,34lük bir fark tespit edilmiştir. Kaynaklı bölgenin node bölgesine denk geldiği ikinci mode şeklinde ikinci doğal frekans değeri değişmemiştir. Bu çalışmanın yeniliği, farklı kaynak kök genişliklerinin titreşim davranışı üzerindeki etkisinin araştırılmasıdır. Gelecekte farklı malzeme ve kaynak parametreleri kullanılarak teorik, sayısal ve deneysel çalışmalar yürütülecektir.

Makale detayları

Modal analysis of butt-welded aluminum alloy beams with different welding root widths

Yazarlar:

Muhammet Raci Aydın

Yayıncı:

Gumushane University

Ana Başlıklar:

Dinamikler | Titreşim ve Titreşim Kontrolü

Dergi:

Gümüşhane Üniversitesi Fen Bilimleri Dergisi Vol.15 Issue 3, pp.753-762

Belge Tipi:

Makale

Yayın Tarihi:

9/2025

Belge Dili:

İngilizce

Document ID (Org No.):

2001358144

pISSN:

2146-538X

Al alloy beam

Butt weld

Euler-Bernoulli

Modal analysis

Mode shapes

Natural frequencyAl alaşımlı kiriş

Alın kaynağı

Euler-Bernoulli

Modal analiz

Mod şekilleri

Doğal frekans

Sayı

Makale detayları

Yazarlar: Muhammet Raci Aydın

Yayıncı: Gumushane University

Ana Başlıklar: Dinamikler | Titreşim ve Titreşim Kontrolü

Dergi: Gümüşhane Üniversitesi Fen Bilimleri Dergisi Vol.15 Issue 3, pp.753-762

Belge Tipi: Makale

Yayın Tarihi: 9/2025

Belge Dili: İngilizce

Document ID (Org No.): 2001358144

pISSN: 2146-538X

Sayı

Yazarlar:

Muhammet Raci Aydın

Yayıncı:

Gumushane University

Ana Başlıklar:

Dinamikler | Titreşim ve Titreşim Kontrolü

Dergi:

Gümüşhane Üniversitesi Fen Bilimleri Dergisi Vol.15 Issue 3, pp.753-762

Belge Tipi:

Makale

Yayın Tarihi:

9/2025

Belge Dili:

İngilizce

Document ID (Org No.):

2001358144

pISSN:

2146-538X