BAB 1 - USU Institutional Repository - Universitas Sumatera Utara

2.14 Pemberian Constrain.........................................................................27
2.15 Diskretisasi Elemen..........................................................................29
2.16 Bentuk Elemen Solid Tetrahedral.....................................................31
2.17 Kerangka Konsep Penelitian.............................................................39
3.1 Susunan Serat pada Pelat GFRP Enam Lapis....................................42
3.2 Helm Sepeda Motor Bahan Komposit.............................................43
3.3 Dimensi Helm Sepeda Motor Bahan Komposit
dengan Autocad 2002…………........................................................45
3.4. Gambar Helm Geometri Dibagi Dua................................................46
3.5 Kotak Dialog Pendefenisian Variabel-Variabel Bebas......................46
3.6 Kotak Dialog Constrain......................................................................47
3.7 Kotak Dialog Defenisi Fungsi Waktu.............................................. 47
3.8 Hasil Grafik dari Hasil Analisa.........................................................48
3.9 Hasil Simulasi Distribusi...................................................................48
3.10 Diagram Alir Pelaksanaan Penelitian.......................................... .....50
4.1 Gambar Helm dengan Autocad.........................................................51
4.2 Helm Solid........................................................................................51
4.3 Lapisan Busa (foam) dengan Gambar Autocad 2002.......................52
4.4 Busa (foam) Solid..............................................................................52
4.5 Helm Komposit Dilapisi Busa..........................................................52
4.6 Lokasi Impak pada Helm Komposit.................................................52
4.7 Helm tampak depan .........................................................................52
4.8 Helm tampak samping.......................................................................54
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Universitas Sumatera Utara