Bagan Alir Analisis Struktur Metoda Matriks.docx

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BAGAN ALIR ANALISIS STRUKTUR METODA MATRIKS mulai

Input data struktur : 1. Data joint 2. Data batang

Menghitung matrix : (𝑒)

1. Kekakuan lokal : [𝑘𝑙 ] 2. Transformasi : [𝑇 𝑒 ] Menghitung matrix kekakuan global : (𝑒)

𝑇

(𝑒)

[𝑘𝑔 ] = [𝑇 (𝑒) ] . [𝑘𝑙 ]. [𝑇 (𝑒) ]

Menyusun load vector : {𝐹} Menyusun displacement vector : {𝑈}

Menyusun overall siffness matrix: [𝐾]. {𝑈} = {𝑃} Menghitung displacement {𝑈} Menghitung reaksi tumpuan {𝐹} Menghitung gaya batang : (𝑒)

{𝑓 (𝑒) } = [𝑇 (𝑒) ][𝑘𝑔 ]{𝑈 (𝑒) }

selesai

CONTOH KONVERSI BEBAN BATANG MENJADI BEBAN JOINT

Beban merata

Beban titik di tengah bentang

Beban titik sejarak a dan b

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