Respons situs seismik 1-D, dari bahaya batuan dasar sampai spektrum permukaan 1-D seismic site response, from bedrock hazard to surface spectrum
Mesin nonlinier domain waktu (Iwan–Mróz) dan ekuivalen-linear (SHAKE) dalam satu program, diverifikasi terhadap solusi gelombang eksak — bukan hanya terhadap program rujukan. Dilengkapi alur probabilistik lengkap: PSHA, deagregasi, pemilihan rekaman, kuantifikasi ketidakpastian, dan pelaporan. Nonlinear time-domain (Iwan–Mróz) and equivalent-linear (SHAKE) engines in one program, verified against exact wave-propagation solutions — not merely against the reference codes. With a complete probabilistic workflow: PSHA, deaggregation, record selection, uncertainty quantification, and reporting.
- VersiVersion
- 1.19.0 — 10 Agustus 202610 August 2026
- PlatformPlatform
- Windows 10/11 64-bit (installer) · Python murni, lintas platform dari sumber Windows 10/11 64-bit (installer) · pure Python, cross-platform from source
- AntarmukaInterface
- GUI desktop + CLI · Bahasa Indonesia & Inggris Desktop GUI + CLI · Indonesian & English
KemampuanCapabilities
Satu program untuk seluruh rantai analisis One program for the whole analysis chain
Bahaya seismik Indonesia — PuSGeN 2024 Indonesian seismic hazard — PuSGeN 2024
Model sumber resmi 2024 (20 zona megathrust dan 11 sesar dengan Mmax, periode ulang, dan slip resmi), enam GMPE resmi dalam logic tree berbobot sama, kurva bahaya dan UHS, deagregasi M–R, DSHA persentil-84, serta peta dasar PGA resmi yang dapat dibaca langsung di layar. The official 2024 source model (20 megathrust zones and 11 faults with official Mmax, return period, and slip), six official GMPEs in an equally weighted logic tree, hazard curves and UHS, M–R deaggregation, 84th-percentile DSHA, and the official PGA basemaps readable directly on screen.
PSHA katalog untuk situs internasional Catalog PSHA for international sites
Untuk situs di luar cakupan PuSGeN, jalur katalog membangun bahayanya sendiri: homogenisasi magnitudo, penghapusan duplikat antar-katalog, declustering Gardner–Knopoff (1974), estimasi Mc dan b-value metode KS, lalu PSHA Cornell dan deagregasi. Jalur PuSGeN diberi penjaga cakupan yang menolak menghitung di luar wilayah, bukan mengembalikan angka yang terlihat wajar. For sites outside the PuSGeN coverage, the catalog path builds its own hazard: magnitude homogenisation, cross-catalog de-duplication, Gardner–Knopoff (1974) declustering, KS-method Mc and b-value estimation, then Cornell PSHA and deaggregation. The PuSGeN path carries a coverage guard that refuses to compute outside the region rather than returning a plausible-looking number.
Respons situs 1-D: nonlinier dan ekuivalen-linear 1-D site response: nonlinear and equivalent-linear
Nonlinier domain waktu Iwan–Mróz (penulisan ulang bersih NERA, 64-bit, tanpa Excel dan tanpa DLL) berdampingan dengan ekuivalen-linear domain frekuensi (SHAKE). Backbone MKZ dan GQ/H terkendali kekuatan, redaman non-Masing MRDF, redaman viskos Rayleigh, dan mesin tegangan efektif dengan pembangkitan tekanan air pori. Iwan–Mróz nonlinear time-domain analysis (a clean-room NERA rewrite, 64-bit, no Excel and no DLL) alongside frequency-domain equivalent-linear (SHAKE). MKZ and strength-controlled GQ/H backbones, MRDF non-Masing damping, Rayleigh viscous damping, and an effective-stress engine with pore-pressure generation.
Ketidakpastian amplifikasi & bahaya permukaan Amplification uncertainty & surface hazard
Randomisasi profil Vs Toro (1995) menghasilkan fungsi amplifikasi per realisasi, median geometrik dan σlnAF per periode, serta penguraian σ menjadi komponen antar-profil dan antar-rekaman mengikuti PEER 2014/16 (Stewart dkk.). Kurva bahaya batuan lalu dikonvolusikan ke permukaan mengikuti Bazzurro & Cornell (2004). Lari dengan benih tetap bereproduksi bit-per-bit. Toro (1995) Vs-profile randomisation yields the per-realisation amplification function, its geometric median and per-period σlnAF, and the decomposition of σ into profile-to-profile and motion-to-motion components following PEER 2014/16 (Stewart et al.). Rock hazard curves are then convolved to the surface following Bazzurro & Cornell (2004). Seeded runs reproduce bit-for-bit.
Tujuh kode spektrum desain Seven design-spectrum codes
SNI 1726, ASCE 7, Eurocode 8 (termasuk klasifikasi ground type otomatis dari profil), NZS 1170.5, IS 1893, GB 50011-2010, dan NBC 2020 — setiap konstanta diverifikasi terhadap teks standarnya sendiri, tidak ada yang ditulis dari ingatan. Tersedia sebagai spektrum target untuk pemilihan dan pencocokan rekaman. SNI 1726, ASCE 7, Eurocode 8 (including automatic ground-type classification from the profile), NZS 1170.5, IS 1893, GB 50011-2010, and NBC 2020 — every constant verified against the standard's own text, none written from memory. Available as target spectra for record selection and spectral matching.
Screening kelayakan analisis 1-D 1-D applicability screening
Literatur mencatat bahwa sebagian besar situs vertical-array tidak termodelkan baik oleh pendekatan 1-D, namun jarang ada alat praktik yang memeriksanya. SITERA memberi putusan lampu-lalu-lintas dari empat komponen bukti: f0 teoretis terhadap f0 HVSR terukur, kecocokan fungsi transfer empiris, heterogenitas lateral dari bore log, dan kemiringan permukaan. Murni diagnostik. The literature records that a large share of vertical-array sites are poorly modelled by 1-D approaches, yet few practice tools screen for it. SITERA gives a traffic-light verdict from four evidence components: theoretical f0 against measured HVSR f0, empirical-transfer-function goodness of fit, lateral heterogeneity from bore logs, and surface slope. Purely diagnostic.
Likuefaksi SPT dan CPT SPT and CPT liquefaction
Pemicuan likuefaksi dari data SPT maupun CPT, dengan regangan volumetrik per lapis dan penurunan rekonsolidasi total. Jalur CPT memakai Dr(qc1Ncs) Idriss & Boulanger (2008) yang memasok mesin regangan Yoshimine dkk. (2006) yang sama dengan jalur SPT. Liquefaction triggering from both SPT and CPT data, with per-layer volumetric strain and total reconsolidation settlement. The CPT path uses Idriss & Boulanger (2008) Dr(qc1Ncs) feeding the same Yoshimine et al. (2006) strain machinery as the SPT path.
2D / topografi, dan pelaporan 2D / topography, and reporting
Analisis SH dua dimensi untuk efek lembah dan topografi dari bore log, serta penyusun laporan yang memilih hasil mana yang masuk dokumen: tiap bagian menjadi judul bernomor dengan gambar dan tabelnya di berkas DOCX. Two-dimensional SH analysis for valley and topographic effects from bore logs, plus a report builder that picks which results enter the document: each section becomes a numbered heading with its figure and table in a DOCX file.
VerifikasiVerification
Diuji terhadap solusi gelombang eksak dan tolok ukur lapangan Tested against exact wave solutions and field benchmarks
Setiap mesin hitung dibandingkan dengan fungsi transfer bentuk-tertutup kolom elastis berlapis (Kramer 1996), dengan program rujukan NERA dan DEEPSOIL, serta dengan rekaman Wildlife Liquefaction Array. Every solver is compared against the closed-form transfer function of a layered elastic column (Kramer 1996), against the NERA and DEEPSOIL reference codes, and against the Wildlife Liquefaction Array recordings.
| MetodeMethod | AsalOrigin | Diverifikasi terhadapVerified against |
|---|---|---|
| Nonlinier domain waktu (Iwan–Mróz, beda pusat) Nonlinear time-domain (Iwan–Mróz, central difference) | NERA | teori eksak 0,04 % · NERA: regangan 0,7 %, tegangan 0,6 % exact theory 0.04 % · NERA: strain 0.7 %, stress 0.6 % |
| Ekuivalen-linear (SHAKE) domain frekuensi Equivalent-linear (SHAKE) frequency-domain | DEEPSOIL / SHAKE | teori eksak 0,19 %exact theory 0.19 % |
| Spektrum respons / Fourier / penapisan masukan Response spectrum / Fourier / input filtering | NERA | PSA 0,00 % terhadap NERAPSA 0.00 % against NERA |
| Redaman viskos (Rayleigh)Viscous (Rayleigh) damping | DEEPSOIL (Park & Hashash 2004)(Park & Hashash 2004) | redaman modal analitis 0,14 %analytical modal damping 0.14 % |
| Redaman non-Masing MRDF + kalibrasiMRDF non-Masing damping + calibration | DEEPSOIL (Phillips & Hashash 2009)(Phillips & Hashash 2009) | kecocokan Masing + fit target RMS 0,12 %Masing match + target fit RMS 0.12 % |
| Backbone MKZ dan GQ/HMKZ and GQ/H backbones | DEEPSOIL (Groholski 2016)(Groholski 2016) | backbone & redaman diperiksa; kendali kekuatan diperiksa backbone & damping checked; strength control checked |
| Tegangan efektif / tekanan air poriEffective stress / pore pressure | DEEPSOIL (GMP / Matasovic) | divalidasi kualitatif terhadap tanda de-amplifikasi likuefaksi — bukan bentuk tertutup validated qualitatively against the liquefaction de-amplification signature — not a closed form |
| Validasi lapanganField validation | Wildlife Liquefaction Array (Superstition Hills 1987) Wildlife Liquefaction Array (1987 Superstition Hills) | likuefaksi terpicu pada lapis pasir kelanauan yang benar liquefaction triggered in the correct silty-sand layer |
Tampilan programIn the program
Tangkapan layar aplikasiApplication screenshots
Seluruh gambar di bawah adalah tangkapan GUI SITERA yang sebenarnya, bukan rancangan tampilan. Every image below is a capture of the actual SITERA GUI, not a mock-up.
Unduh SITERAGet SITERA
Installer Windows beserta checksum SHA-256, persyaratan sistem, dan catatan SmartScreen ada di halaman unduh. Manual pengguna (ID/EN) dan Technical Manual tersedia sebagai PDF. The Windows installer with its SHA-256 checksum, system requirements, and the SmartScreen note are on the downloads page. The user guides (ID/EN) and Technical Manual are available as PDFs.